So you're wondering which Eurorack modules, cases and power supplies you should buy, rent or otherwise try out. In this comprehensive buyer's guide, we'll go through everything worth considering before you make any decisions about Eurorack equipment.

If you've found yourself asking, “Which Eurorack gear should I buy?” this extensive resource is for you.

Please feel free to jump around this article and to read all additional resources I have provided links to.

With that, let's get into this comprehensive Eurorack buyer's guide to help you in your next Eurorack module purchase!

Related articles:
• Top 11 Best Eurorack Module Synth Brands In The World
• Synth Modules Brands Database

Table Of Contents

• What Is Your Eurorack Budget?
• Consider Virtual Eurorack Software
• Consider Starting With A Semi-Modular Synth
• The Bare Minimum Eurorack Setup
• Pre-Built Or DIY Modules
• Choosing Eurorack Cases & Rails
• Choosing Eurorack Power Supplies, Bus Boards & Distribution Cables
• Types Of Eurorack Modules
• Planning The Eurorack System
• Know The Additional Costs Of Eurorack Accessories

What Is Your Eurorack Budget?

The first thing to consider when making any purchase is your budget. Money can be a touchy subject for some, so I'll keep this section brief.

I would never advise anyone to overspend on any audio equipment. Know what you can realistically afford, and do your best to stay within those limitations, whatever they may be.

Eurorack gear, like many musical instruments, ranges significantly in price. The market is rather large, and so there should be a good selection for any budget.

A benefit of Eurorack's modular nature is that users can slowly build up their synth setup over time. The downside, of course, is that modular synths have the tendency never to be “complete”, so additional gear will cost more money.

Note that some retailers offer payment plans, which could be an option.

Consider the cost-to-benefit ratio of the purchase of the Eurorack system/synthesizer. For example, if the Eurorack system is needed for business, perhaps stretching the budget is more appropriate. On the other hand, if you don't plan on making money with Eurorack, perhaps a more conservative budget is appropriate.

Also, consider any additional accessories or upkeep that may be required for your Eurorack system/synthesizer.

Only you can determine your budget. All I'm here to say is that you should consider it.

Back to the Table Of Contents.

Consider Virtual Eurorack Software

If you're new to Eurorack and put off by the complexities and price tags of the hardware involved, perhaps it's best to start with virtual Eurorack software to develop an understanding of the modular format.

VCV Rack is a superb virtual Eurorack simulator. This open-source software gives users free access to the wonderful world of modular synthesis. However, it does sell commercial plugins in addition to the freebies to help fundraise for future developments.

So, if you're on the fence about getting into Eurorack, my suggestion would be to give VCV Rack a shot. You'll learn the basics of module types and the patching of such modules. Developing a foundation of knowledge will help tremendously when it comes time to invest in real hardware!

Back to the Table Of Contents.

Consider Starting With A Semi-Modular Synth

Getting into Eurorack can be a bit daunting. What are the bare minimum requirements to get started? How do I connect it all together and make sound? These are surely questions worth asking.

By starting with a semi-modular synth, we can get going right away and slowly integrate Eurorack modules into our synth. Eventually, we can even replace the semi-modular synth with individual modules.

A semi-modular synth is a self-contained synthesizer ‘voice' (mono, poly or paraphonic) composed of a collection of prewired modules that can be patched differently if we so choose. These synths often come with keyboard controllers and are ready to play right out of the box.

• Click the link to check out semi-modular synthesizers at Perfect Circuit
• Click the link to check out semi-modular synthesizers at Sweetwater

Back to the Table Of Contents.

The Bare Minimum Eurorack Setup

If you're interested in Eurorack, you've likely seen the giant setups that span entire tables or walls. These massive investments are not only overwhelming to think of in terms of routing but also in terms of budget.

So, if you're a beginner, you may be asking, “What's the absolute minimum requirement for a Eurorack modular synthesizer?”

Well, before we even think of modules, we need a power supply to power them. Additionally, it helps tremendously if we have a case to hold them safely in place—more on both these pieces later.

However, to get started making sound with a Eurorack synth, you only need one module: an oscillator. An oscillator produces a continuous, repeating variation (an oscillation) in voltage that can be outputted to produce sound.

Oscillators are often defined by their waveform (sine, square, triangle, sawtooth, etc.) and their frequency (the audible range of frequencies is between 20 and 20,000 Hertz (cycles or repetitions per second).

From there, adding an envelope and a VCA (voltage-controlled amplifier) can allow us to control the level of the oscillator. Adding filters, effects, control voltages, gates, triggers, and more will allow further control over the oscillator and what is ultimately heard from the Eurorack synth.

Additionally, we could invest in a synth voice module, which effectively has everything a simple monophonic synth would have. This way, we can get started making sounds with our synths without needing to spend too much money or understand too much about routing/patching.

Back to the Table Of Contents.

Pre-Built Or DIY Modules

Another way to save money is to opt for do-it-yourself modules rather than pre-built options. These kits come with the basic building blocks of the design, and it's up to you to put them all together. Not only will you save some cash, but putting together your modules yields a more intimate experience when building your modular synth.

DIY modules are a great way to learn and hone your soldering skills. In addition to a soldering iron and solder, you'll also want a small pair of wire cutters and 8mm and 10mm hex nut drivers.

Other tools worth considering are a multimeter and a component tester.

Check out options on Amazon by clicking the following links:
• Soldering iron
• Solder
• Wirecutter
• Hex nut driver
• Multimeter
• Component tester

• Click the link to check out DIY Eurorack modules at Synth Cube

Back to the Table Of Contents.

Choosing Eurorack Cases & Rails

A Eurorack case will effectively house and power your Eurorack modules. A case is typically made of the housing, the rails (which mount the modules), the bus boards (which send power to the modules), and the power supply, though external power supplies are also available.

To push modularity even further, Eurorack cases can be purchased pre-built with power, or we can build them ourselves with separate parts. When it comes to the physical design and mounting, we can choose cases with or without rails as well.

Sets of rails can be purchased to incorporate into dedicated Eurorack cases but can also be used with Eurorack ears in standard 19″ racks or even in desktop setups.

Note that we can build our own cases as well, so long as we can securely mount the modules and power them properly!

Case dimensions will largely be defined by the Horizontal Pitch (HP) units. The vertical (height) dimension of Eurorack modules is standardized to 3U (5.25″ or 133.4mm). However, the horizontal (width) dimension is variable.

The width of a Eurorack module is defined by its HP value. 1 HP is equal to 0.2″ or 5.08mm. Eurorack cases have HP specifications that state the maximum width they can hold in terms of modules (and blank panels).

Cases can also be defined by their rows. For example, a Eurorack case could have 3 rows of 140 HP (28″ or 711.2mm), allowing for a total space of 420 HP (84″ or 2,133.6mm) to fit modules within.

In addition to the HP specs, it's also worth considering the depth of the case, ensuring that it's deep enough to fit the deepest module in your setup.

If you opt for a rails-and-19″-rackmount setup, you'll have a maximum of 95 HP within the 19″ rack. Many of these setups are smaller, with ears and/or power supplies taking up some space within the rack.

When choosing a case, it's typically best to go for something a bit bigger than you initially need. Maxing out the space in the case will mean investing in a second case when it comes time to expand. That being said, when buying a larger case, it's best to also invest in blank panels to fill the space to keep dust and debris from the inside of the system.

Eurorack cases can be portable or stationary. Though stationary cases can certainly be moved if necessary, portable cases are designed to make moving easy. If you plan on performing in venues or otherwise travelling with your Eurorack synth, opt for a portable case.

Lunchbox-style and suitcase cases are great options for portability. Skiff and desktop cases are great for stationary Eurorack systems.

Multiple Eurorack cases can be combined side-by-side or vertically to create even more modularity in the synth. Research your specific cases to see how well they will fit together. Look for the appropriate ears, brackets or rails that will allow you to build upon your current case.

Eurorack cases can also be powered or unpowered, which brings us to the next section of this buyer's guide.

• Click the link to check out Eurorack cases at Perfect Circuit
• Click the link to check out Eurorack cases at Sweetwater

• Click the link to check out Eurorack rails at Perfect Circuit
• Click the link to check out Eurorack rails at Sweetwater

Back to the Table Of Contents.

Choosing Eurorack Power Supplies, Bus Boards & Distribution Cables

Eurorack modules are active units, meaning they require power to function. Therefore, we need a power supply capable of running the modules and bus boards or power distribution cables to carry power from the supply to the modules.

The total current drawn by the modules (add up each module's current draw) must not exceed the maximum current available in the power supply.

Like buying a case that's larger than you initially need, it's also best practice to buy a power supply with a higher maximum current than your first set of modules will require. As you build up your modular synth, you'll want to fill in the case and power supply rather than having to purchase more.

Typically, if the case you're purchasing has a built-in power supply, the PSU should be powerful enough for the task of powering the case's inserted modules. These powered cases will also have built-in bus boards.

However, if you're going with the do-it-yourself approach, getting yourself a PSU capable of powering the intended modules is important.

Moving onto bus boards, these electrical components contain 16-pin headers that your Eurorack modules connect to. So, the bus board(s) connect to the power supply. The modules connect to the bus board with a 10 to 16-pin ribbon distribution cable.

When purchasing a powered case or a power supply and bus board, opt for a bus board with keyed or shrouded headers. This will practically eliminate the chance of incorrectly connecting the ribbon distribution cables.

Otherwise, pay close attention when plugging the cables into the board to avoid improper connectivity. The pins are aligned to transfer specific voltages, and it's essential that the pins of the bus board connect to the appropriate pins in the modules.

It's also worth noting the differences between linear and switching Eurorack power supplies to help you make a more informed decision.

Linear power supplies are generally quieter and deliver DC, passing the primary AC voltages through transformers and filtering out the AC component.

Switching power supplies generally offer a higher wattage-to-price ratio but can be prone to electromagnetic interference, aliasing and other noise.

That all being said, both PSU types are great options for Eurorack. Eurorack typically passes signal level above line level, so EMI and noise generally won't cause noticeable noise in the audio signal.

• Click the link to check out Eurorack power supplies at Perfect Circuit
• Click the link to check out Eurorack power supplies at Sweetwater

• Click the link to check out Eurorack power distribution cables at Perfect Circuit
• Click the link to check out Eurorack power distribution cables at Sweetwater

Back to the Table Of Contents.

Types Of Eurorack Modules

The variety of Eurorack modules is a large part of its allure. However, the number of different module types can be overwhelming. This section will go through the most important Eurorack module types to improve our understanding of what we want and need in our modular synth.

The types of Eurorack modules are:

• Attenuator
• Clock Generator
• Clock Multiplier/Divider
• Comparator
• Controller
• Control Voltage
• Distortion-Type Effects
• Drum
• Dynamics
• Envelope Follower
• Envelope Generator
• Equalizer
• Expander
• Expression
• External I/O
• Filter
• Frequency Divider
• Function Generator
• LFO
• Logic
• Low-Pass Gate
• MIDI
• Mixer
• Modulation Effects
• Multiple
• Noise
• Oscillator
• Panning
• Polarizer
• Preamplifier
• Quantizer
• Randomizer
• Sample & Hold
• Sampler
• Sequencer
• Slew Limiter
• Switch/Multiplexer
• Synth Voice
• Time-Based Effects
• Tuner
• Utility
• VCA
• Video
• Waveshaper

Let's get into each in more detail.

Attenuator

What is a Eurorack attenuator module? An attenuator is a module that reduces or “attenuates” the level of a signal. Attenuators can bring down the level of audio signals and control voltages. They're useful for adjusting the depth of modulation between modules and the overall signal levels within the system.

• Click the link to check out Eurorack attenuator modules at Perfect Circuit
• Click the link to check out Eurorack attenuator modules at Sweetwater

What is a Eurorack attenuverter module? An attenuverter module is a special type of attenuator that also inverts the polarity of the signal or control voltage going through it. They typically send no signal at the centre/12-o'clock position, send increasing in-phase signal as they're turned clockwise, and send increasing inverted signal as they're turned counterclockwise.

• Click the link to check out Eurorack attenuverter modules at Perfect Circuit
• Click the link to check out Eurorack attenuverter modules at Sweetwater

Clock Generator

What is a Eurorack clock generator module? A clock generator is a module that produces a master clock within the Eurorack system for some or all clock-dependent modules to sync to. The clock is the main rhythmic pulse of the system and is commonly set to a rate of 24 ppqn (pulses per quarter note), as is the case with MIDI.

Note that trigger modules may also be called “clocks.”

• Click the link to check out Eurorack clock generator modules at Perfect Circuit
• Click the link to check out Eurorack clock generator modules at Sweetwater

Clock Multiplier/Divider

What is a Eurorack clock multiplier module? As the name suggests, a clock multiplier multiplies an incoming clock signal into several higher resolutions, such as 2x, 4x, 8x, 16x, etc. These multiplied clocks are outputted and used to trigger other modules, such as envelopes or drums. Some multipliers offer swing, shuffle and offset.

• Click the link to check out Eurorack clock multiplier modules at Perfect Circuit
• Click the link to check out Eurorack clock multiplier modules at Sweetwater

What is a Eurorack clock divider? As the name suggests, a clock divider divides an incoming clock signal into several subordinate resolutions, such as 1/2, 1/4, 1/8, 1/16, etc. These divided clocks are outputted and used to trigger other modules, such as envelopes or drums. Some dividers offer swing, shuffle and offset.

• Click the link to check out Eurorack clock divider modules at Perfect Circuit
• Click the link to check out Eurorack clock divider modules at Sweetwater

Comparator

What is a Eurorack comparator module? A comparator compares the voltage levels of two signals, either between two inputs or an input and an internal set reference voltage. These modules will output a gate signal that is high/on when signal A is greater than B and a gate signal that is low/off when B is greater than A, or vice versa. With audio, it can convert an input waveform into a pulse wave.

• Click the link to check out Eurorack comparator modules at Perfect Circuit

Controller

What is a Eurorack controller module? The term controller applies to a wide variety of Eurorack modules that control other modules. The controls range from keys, touchpads, joysticks, pressure controllers, knobs, and more.

• Click the link to check out Eurorack controller modules at Perfect Circuit
• Click the link to check out Eurorack controller modules at Sweetwater

Control Voltage

What is a Eurorack control voltage module? Control voltage (CV) modules make up a large portion of module types, including envelopes, LFOs, gates, and more. The CV outputs of these modules use voltages to control parameters/functions of other modules, such as pitch, volume, filter cutoff frequency, filter resonance, modulation depth/rate, etc.

• Click the link to check out Eurorack control voltage modules at Perfect Circuit
• Click the link to check out Eurorack control voltage modules at Sweetwater

Distortion-Type Effects

• Distortion
• Fuzz
• Overdrive

Distortion

What is a Eurorack distortion module? Audio distortion, technically speaking, is any change/deformation in a Eurorack audio output waveform relative to its audio input caused by any non-linear behaviour of the signal path. Distortion can cause everything from subtle saturation to complete destruction of the waveform.

• Click the link to check out Eurorack distortion modules at Perfect Circuit
• Click the link to check out Eurorack distortion modules at Sweetwater

Fuzz

What is a Eurorack fuzz module? The fuzz effect is caused by hard-clipping a Eurorack audio signal so much that it nearly turns into a square wave. It's perhaps the most extreme example of distortion as an audio effect and completely changes the sound of the audio signal.

• Click the link to check out Eurorack fuzz modules at Sweetwater

Overdrive

What is a Eurorack overdrive module? Overdrive is a distortion effect that is caused by (or aims to emulate) pushing a tube amplifier just past its amplitude limits. The Eurorack audio signal is compressed and “soft-clipped,” resulting in warm saturation in the signal. Overdrive plugins emulate this effect.

• Click the link to check out Eurorack overdrive modules at Sweetwater

Drum

What is a Eurorack drum module? A drum module is a module that, when triggered, produces percussion sounds. These sounds can be sampled or produced by noise oscillators or other types of synthesis. Drum modules can produce a single sound or can be as expansive as a full-out sequencer.

• Click the link to check out Eurorack drum modules at Perfect Circuit
• Click the link to check out Eurorack drum modules at Sweetwater

Dynamics

• Compressor
• Limiter
• Noise Gate

Compressor

What is a Eurorack compressor module? Dynamic range compression is the process of reducing the dynamic range of a Eurorack audio signal by attenuating the amplitude of the signal above a set threshold by a set ratio/amount. Compressor modules typically have attack and release time controls as well.

• Click the link to check out Eurorack compressor modules at Perfect Circuit
• Click the link to check out Eurorack compressor modules at Sweetwater

Related article:
• The Complete Guide To Audio Compression & Compressors

Limiter

What is a Eurorack limiter module? A limiter is a hard compressor that keeps a Eurorack audio signal below a set threshold. These modules are useful for protecting the outputs of the Eurorack synth and whatever devices are inline beyond the Eurorack synth (headphones, speakers, amplifiers, audio interfaces, etc.).

Noise Gate

What is a Eurorack noise gate module? Noise gating is an effect that kills the Eurorack audio output signal if the audio input signal drops below a set threshold. This helps to gate or remove noise from the signal when the audio is not supposed to be playing or present.

• Click the link to check out Eurorack noise gate modules at Perfect Circuit

Envelope Follower

What is a Eurorack envelope follower module? Envelope followers follow the dynamic/loudness contour of a signal and output a CV that corresponds to the loudness change over time. The resulting envelope can be used to control gates, the loudness/dynamics over time when connected to a VCA, or the frequency/timbre over time when connected to a VCF.

• Click the link to check out Eurorack envelope follower modules at Perfect Circuit
• Click the link to check out Eurorack envelope follower modules at Sweetwater

Envelope Generator

What is a Eurorack envelope generator module? Envelope generators produce a triggered CV envelope (a voltage the rises from 0 volts to a maximum and back down again according to attack, decay, sustain and release parameters). EGs will shape the loudness/dynamics over time when connected to a VCA or the frequency/timbre over time when connected to a VCF.

• Click the link to check out Eurorack envelope generator modules at Perfect Circuit
• Click the link to check out Eurorack envelope generator modules at Sweetwater

Related article: Top 11 Best Eurorack Envelope Generator Modules

Equalizer

What is a Eurorack equalizer module? EQ is the process of adjusting the balance between frequencies within a Eurorack audio signal. This process increases or decreases the relative amplitudes of some frequency bands compared to other bands using filters, boosts and cuts.

• Click the link to check out Eurorack equalizer modules at Perfect Circuit
• Click the link to check out Eurorack equalizer modules at Sweetwater

Expander

What is a Eurorack expander module? An expander module is a module that expands the functionality of another specific module. Some manufacturers produce modules with great functionality and decide to produce them in two parts: the main module covers all the essential functions, while the expander module(s) offers additional features.

• Click the link to check out Eurorack expander modules at Perfect Circuit
• Click the link to check out Eurorack expander modules at Sweetwater

Expression

What is a Eurorack expression module? A Eurorack expression module is any module that allows for manual control over a control voltage. This could be a joystick, touchpad, treadle, or otherwise.

• Click the link to check out Eurorack expression modules at Perfect Circuit

External I/O

What is a Eurorack external I/O module? External input/output modules effectively adapt the Eurorack system to allow different input and output control voltages and audio signals. These I/O can adapt Eurorack to MIDI controllers, effects pedals, 500 Series and rack-mounted gear, headphone and power amps, audio interfaces, and more.

• Click the link to check out Eurorack external I/O modules at Perfect Circuit
• Click the link to check out Eurorack external I/O modules at Sweetwater

Filter

What is a Eurorack filter module? A filter module reduces or eliminates certain audio frequencies below, above, between or outside defined cutoff frequencies. Low-pass filters filter out frequency above the cutoff. High-pass filters filter frequency below the cutoff. Bandpass filters filter frequencies above a high cutoff and below and low cutoff. Bandstop filters filter frequencies above a low cutoff and below a high cutoff. Filter cutoff frequencies, resonances and other parameters can be modulated.

• Click the link to check out Eurorack filter modules at Perfect Circuit
• Click the link to check out Eurorack filter modules at Sweetwater

Frequency Divider

What is a Eurorack frequency divider module? Frequency divider modules read the frequency of an input signal and output signals with frequencies at a fraction of the input (1/2, 1/4, 1/8, etc.), thereby adding bass and sub-bass to a signal.

• Click the link to check out Eurorack frequency divider modules at Perfect Circuit

Frequency Shifter

What is a Eurorack frequency shifter module? Frequency shifting is an amplitude modulation effect where two signals (an input/modulator signal and a carrier signal) are summed together to create a brand new frequency that is either the sum or the difference between the input and carrier signal. The carrier is typically a simple wave selected by the effects unit, while the modulator signal is the input signal.

Function Generator

What is a Eurorack function generator module? Function generator modules execute equations to create waveforms or control voltages (typically envelopes) in response to gates/triggers.

• Click the link to check out Eurorack function generator modules at Perfect Circuit
• Click the link to check out Eurorack function generator modules at Sweetwater

LFO

What is a Eurorack LFO module? Low-frequency oscillators (LFOs) are repetitive, cycling waves in the range just below the audible threshold of 20 Hz all the way down to minutes per cycle. These CVs are used to modulate other modules, particularly modulation effects, filters and oscillator waveshapes.

• Click the link to check out Eurorack LFO modules at Perfect Circuit
• Click the link to check out Eurorack LFO modules at Sweetwater

Logic

What is a Eurorack logic module? Logic modules combine two or more gate signals to create new outputs according to the combination of the “on” or “off” state of each gate.

• Click the link to check out Eurorack logic modules at Perfect Circuit
• Click the link to check out Eurorack logic modules at Sweetwater

Low-Pass Gate

What is a Eurorack low-pass gate module? Low-pass gate modules are special types of low-pass filters with cutoff frequencies that extend into the subsonic frequency range as the CV falls toward 0 volts.

• Click the link to check out Eurorack low-pass gate modules at Perfect Circuit
• Click the link to check out Eurorack low-pass gate modules at Sweetwater

MIDI

What is a Eurorack MIDI module? A MIDI Eurorack module is any module that interprets Musical Instrument Digital Interface (MIDI) data. Since most of Eurorack is analog, most “MIDI modules” are actually MIDI-to-CV/Gate converters that effectively convert the digital MIDI information into analog information for the Eurorack system to use.

• Click the link to check out Eurorack MIDI modules at Perfect Circuit
• Click the link to check out Eurorack MIDI modules at Sweetwater

Mixer

What is a Eurorack mixer module? A mixer module combines different Eurorack signals together. Mixers can mix audio signals or control voltages with varying relative levels and output completely new signals.

• Click the link to check out Eurorack mixer modules at Perfect Circuit
• Click the link to check out Eurorack mixer modules at Sweetwater

Modulation Effects

• Chorus
• Flanger
• Phaser
• Ring Modulator
• Tremolo
• Vibrato

Chorus

What is a Eurorack chorus module? Chorus is an effect that produces copies of a Eurorack audio signal (the original signal and each of its copies has its own “voice”) and detunes each voice to produce a widening and thickening of the sound. Each voice interacts with the other voices to produce slight modulation and an overall larger-than-life sound.

• Click the link to check out Eurorack chorus modules at Perfect Circuit
• Click the link to check out Eurorack chorus modules at Sweetwater

Related article:
• Complete Guide To The Chorus Audio Modulation Effect

Flanger

What is a Eurorack flanger module? Flanger is a modulation audio effect whereby the Eurorack audio signal is duplicated, and the phase of one copy is continuously shifted. This changing phase causes a sweeping comb filter effect where peaks and notches are produced in the frequency spectrum or the signal's EQ.

• Click the link to check out Eurorack flanger modules at Perfect Circuit
• Click the link to check out Eurorack flanger modules at Sweetwater

Related My New Microphone article:
• Complete Guide The Flanger Audio Modulation Effect

Phaser

What is a Eurorack phaser module? Phaser/phase-shifting is a modulation audio effect whereby a series of peaks and troughs are produced across the frequency spectrum of the Eurorack audio signal's EQ. These peaks and troughs vary over time, typically controlled by an LFO (low-frequency oscillator), to create a sweeping effect known as phaser.

• Click the link to check out Eurorack phaser modules at Perfect Circuit
• Click the link to check out Eurorack phaser modules at Sweetwater

Related My New Microphone article:
• Complete Guide To The Phaser Audio Modulation Effect

Ring Modulator

What is a Eurorack ring modulator module? Ring modulation is an amplitude modulation effect where two signals (an input/modulator signal and a carrier signal) are summed together to create two brand-new frequencies, which are the sum and difference of the input and carrier signals. The carrier is typically a simple wave selected by the effects unit, while the modulator signal is the input signal.

• Click the link to check out Eurorack ring modulator modules at Perfect Circuit
• Click the link to check out Eurorack ring modulator modules at Sweetwater

Related My New Microphone article:
• Complete Guide To The Ring Modulation Audio Effect

Tremolo

What is a Eurorack tremolo module? Tremolo is a fast variation in the amplitude of the Eurorack audio signal. Tremolo is similar to vibrato, except that it acts on amplitude/level rather than pitch.

Related My New Microphone article:
• Complete Guide The Tremolo Audio Modulation Effect

Vibrato

What is a Eurorack vibrato module? Vibrato is a fast but slight up-and-down pitch variation in the Eurorack audio signal. Vibrato is used in signing and in instruments to add character and improve tone.

Related My New Microphone article:
• Complete Guide The Vibrato Audio Modulation Effect

Multiple

What is a Eurorack multiple module? A multiple is a Eurorack module that effectively duplicates the input signal to two or more identical outputs.

• Click the link to check out Eurorack multiple modules at Perfect Circuit
• Click the link to check out Eurorack multiple modules at Sweetwater

Noise

What is a Eurorack noise module? Noise modules produce random audio or control voltage signals with no distinct note value or pitch. Noise audio signals are largely defined by colour and their amplitude per octave frequency response. Noise CV voltages offer randomized modulation and are used in the same way as LFOs.

• Click the link to check out Eurorack noise modules at Perfect Circuit
• Click the link to check out Eurorack noise modules at Sweetwater

Oscillator

What is a Eurorack oscillator module? Oscillator Eurorack modules produce oscillating signals (outputs the very between two voltages in a repeating pattern). Oscillators are often defined by their waveshape, and the rate at which these waveforms oscillate is defined by frequency. Audio signals oscillate in the range of 20 Hz and 20,000 Hz, while LFOs oscillate below 20 Hz.

• Click the link to check out Eurorack oscillator modules at Perfect Circuit
• Click the link to check out Eurorack oscillator modules at Sweetwater

Panning

What is a Eurorack panning module? Panning modules pan Eurorack audio signals right or left in the stereo field. Since Eurorack is largely monophonic, panning modules tend to have left and right channel outputs.

• Click the link to check out Eurorack panner modules at Perfect Circuit
• Click the link to check out Eurorack panner modules at Sweetwater

Polarizer

What is a Eurorack polarizer module? A polarizer Eurorack module inverts the input signal, reversing the gate signal's high/on and low/off states. In the cases where negative voltages aren't useful, a polarizer will bias the signal to keep the voltage positive while still flipping the “phase” of the CV gate or envelope.

• Click the link to check out Eurorack polarizer modules at Perfect Circuit
• Click the link to check out Eurorack polarizer modules at Sweetwater

Preamplifier

What is a Eurorack preamplifier module? A preamp is a type of amplifier with the purpose of bringing mic level (or instrument level) signals up to levels appropriate for the Eurorack format (above line level). Microphones and many instruments output low-level signals that require amplification to be used effectively within Eurorack systems.

Quantizer

What is a Eurorack quantizer module? A quantizer module will auto-adjust/correct the input voltage to the nearest desired value. In doing so, the voltage can trigger a specific note or sample in another module.

• Click the link to check out Eurorack quantizer modules at Perfect Circuit
• Click the link to check out Eurorack quantizer modules at Sweetwater

Randomizer

What is a Eurorack randomizer module? Randomizer modules create random voltages and triggers for unpredictable control over other modules.

Sample & Hold

What is a Eurorack sample & hold module? Sample & hold modules have two inputs: an input where the signal is being sampled and an input that triggers when the first input should be sampled. As the trigger is received, the first input is sampled and held until the next trigger happens. This creates stepped voltages at the output.

• Click the link to check out Eurorack sample & hold modules at Perfect Circuit
• Click the link to check out Eurorack sample & hold modules at Sweetwater

Sampler

What is a Eurorack sampler module? Sample modules record audio signals and play them back continuously or when triggered manually or by a control voltage. Many samplers offer various functions to manipulate the audio signal (pitch, time, start/endpoint, and more).

• Click the link to check out Eurorack sampler modules at Perfect Circuit
• Click the link to check out Eurorack sampler modules at Sweetwater

Sequencer

What is a Eurorack sequencer module? A sequencer is a module that goes through steps/stages one at a time. Each step can be set to output a different voltage. A clock or gate/trigger can control the rate at which the sequencer moves through its steps can be controlled by a clock or gate/trigger.

• Click the link to check out Eurorack sequencer modules at Perfect Circuit
• Click the link to check out Eurorack sequencer modules at Sweetwater

Slew Limiter

What is a Eurorack slew limiter module? A slew limiter module smooths the input signal and limits the maximum voltage change per second of the signal.

• Click the link to check out Eurorack slew limiter modules at Perfect Circuit
• Click the link to check out Eurorack slew limiter modules at Sweetwater

Switch/Multiplexer

What is a Eurorack switch/multiplexer module? Switch/multiplexer modules offer variable numbers of inputs and outputs that can be connected together. The switch that will route an input to a specific output or outputs can be toggled manually or via a control voltage.

• Click the link to check out Eurorack switch/multiplexer modules at Perfect Circuit
• Click the link to check out Eurorack switch/multiplexer modules at Sweetwater

Synth Voice

What is a Eurorack synth voice module? A Eurorack synth voice module is a module complete with all the elements necessary for a monophonic synthesizer.

• Click the link to check out Eurorack synth voice modules at Perfect Circuit
• Click the link to check out Eurorack synth voice modules at Sweetwater

Time-Based Effects

• Delay
• Reverb

Delay

What is a Eurorack delay module? Delay is a time-based effect where the Eurorack audio input signal is recorded for a relatively short amount of time and is played back after a set period of time after the initial recording. There are many ways to achieve delay and different styles/types of the effect.

• Click the link to check out Eurorack delay modules at Perfect Circuit
• Click the link to check out Eurorack delay modules at Sweetwater

Reverb

What is a Eurorack reverb module? The reverb effect recreates the natural effect of reverberation, which happens when a sound wave hits a surface (or multiple surfaces). It reflects back to the listener at varying times and amplitudes. This creates a complex echo that holds information about the physical space.

• Click the link to check out Eurorack reverb modules at Perfect Circuit
• Click the link to check out Eurorack reverb modules at Sweetwater

Tuner

What is a Eurorack tuner module? A tuner module is a module that can adjust the pitch of a synthesizer's oscillator to match another oscillator, instrument, or reference pitch.

• Click the link to check out Eurorack tuner modules at Perfect Circuit
• Click the link to check out Eurorack tuner modules at Sweetwater

Utility

What is a Eurorack utility module? The term “utility module” applies to a wide variety of Eurorack modules that offer utilitarian and/or miscellaneous control over control voltages and audio signals or adaptation between different formats. Utility modules include mixers, switches, gates, triggers, multiples, interfaces, extensions, meters, and more.

• Click the link to check out Eurorack utility modules at Perfect Circuit
• Click the link to check out Eurorack utility modules at Sweetwater

VCA

What is a Eurorack VCA module? A voltage-controlled amplifier (VCA) Eurorack module controls the amplitude of an input signal by increasing or decreasing it in response to a control voltage input.

• Click the link to check out Eurorack VCA modules at Perfect Circuit
• Click the link to check out Eurorack VCA modules at Sweetwater

Video

What is a Eurorack video module? A video module is any Eurorack module that takes in voltage and outputs visual content.

• Click the link to check out Eurorack video modules at Perfect Circuit

Waveshaper

What is a Eurorack waveshaper module? As the name suggests, a waveshaper module changes the shape of the input waveform. Various harmonic profiles and noise can be added to the signal by shaping the waveform in different ways.

• Click the link to check out Eurorack waveshaper modules at Perfect Circuit
• Click the link to check out Eurorack waveshaper modules at Sweetwater

What is a Eurorack wavefolder module? Wavefolding is a special type of waveshaping that utilizes a comparator to reflect or “fold” the waveform back toward itself rather than clipping it when the waveform would otherwise clip. This process also produces interesting harmonic profiles in the output signal.

• Click the link to check out Eurorack wavefolder modules at Perfect Circuit
• Click the link to check out Eurorack wavefolder modules at Sweetwater

Back to the Table Of Contents.

Planning The Eurorack System

Now that we know the various pieces that go into building a modular Eurorack synth, it's time to consider the immediate and long-term plans for the synth.

The possibilities of the Eurorack System are practically unlimited. It is, therefore, important to contemplate the intended use of the system. Here are a few potential options:

Design the perfect synthesizer with all the functionality you want. This Eurorack synth can be parked in the studio or taken on tour. It can have as few or as many modules as you want. It can be controlled by a computer, a MIDI keyboard, individual control voltage modules, or completely self-propelled.

If your dream synthesizer is no longer in production, you can plan to recreate its design with modular units.

Perhaps you want a physical bank of effects and processes that can be easily patched into. Eurorack can oblige in the studio and live environments.

Whatever you choose as the primary focus of the Eurorack system, it's worth spending time planning out the modules you'll need.

Start with the key modules, such as oscillators, sequencers, control voltages, multiples, and effects. Write out a list of these most important and preliminary modules.

Next, find a case that will effectively house these modules and any future modules you plan on acquiring. Calculate the HP of all the modules and ensure the case can hold all of them (now and in the future).

If you're planning on purchasing more modules in the future, I strongly suggest investing in blank panels to cover up the empty spaces in the Eurorack case.

Back to the Table Of Contents.

Know The Additional Costs Of Eurorack Accessories

• Eurorack Patch Cables
• Eurorack Stands
• Eurorack Screws
• Eurorack Blank Panels

Eurorack Patch Cables

Eurorack patch cables are required to connect modules together and to connect the Eurorack synth to other gear.

Eurorack patch cables are 3.5 (1/8″) TS (tip-sleeve) male-to-male cables. Note that when connecting to external equipment, adapters may be required.

Read up on the inputs/outputs of the modules for a better idea of the type and number of cables you'll need for your setup.

• Click the link to check out Eurorack patch cables at Perfect Circuit
• Click the link to check out Eurorack patch cables at Sweetwater

Eurorack Stands

A Eurorack stand will hold the modular system in place, often at more ergonomic angles, heights and positions. Putting the Eurorack case on a proper stand will make the entire process more enjoyable.

• Click the link to check out Eurorack stands at Perfect Circuit
• Click the link to check out Eurorack stands at Sweetwater

Eurorack Screws

Eurorack modules are powered via ribbon cables and interconnected with patch cables. Physically, they are connected to the rails of the modular unit with screws through their front plates. These screws are a necessary part of a Eurorack system.

• Click the link to check out Eurorack screws at Perfect Circuit
• Click the link to check out Eurorack screws at Sweetwater

Eurorack Blank Panels

Blank panels screw into empty Eurorack rack slots, thereby keeping dust and other particles from entering the unit.

• Click the link to check out Eurorack blank panels at Perfect Circuit
• Click the link to check out Eurorack blank panels at Sweetwater

Back to the Table Of Contents.

The post The Ultimate Eurorack Buyer’s Guide first appeared on My New Microphone and is written by Arthur Fox.

Since 2018, Eurorack has been the dominant hardware format for modular synthesizers. The popularity of Eurorack has brought plenty of module options and manufacturers to the market. Companies large and small offer Eurorack modules, and many even supply DIY kits.

When it comes to knowing the brands to look out for in Eurorack, there's a lot to sift through. There are plenty of brands that enter and exit the market within short periods of time. In contrast, others have solidified their position as top companies in this favoured yet niche modular synthesis environment.

In this article, we'll have a look at the top brands that produce Eurorack modules.

The Top 11 Best Eurorack Module Synth Brands Are:

1. Mutable Instruments
2. Intellijel
3. Make Noise
4. Cwejman
5. Erica Synths
6. Doepfer
7. ALM Busy Circuits
8. Xaoc Devices
9. 4ms Company
10. Tiptop Audio
11. Behringer

Of course, any “best of” list is subjective by nature. I've done my best to make this as objective as possible. I've included not only my own bias but also the opinions of others (in real life, in online forums, and by which brands professionals use). I've also taken into account the number of models and the objective nature of the models in each brand.

We'll get into each of these brands in greater detail to explain why they made this list. I'll also include several module examples for each brand, along with a link to their official website and a bit of the company history.

Related My New Microphone articles:
• Top 11 Benefits Of Learning & Playing Synthesizer
• The Ultimate Synthesizer Buyer’s Guide
• The Ultimate Eurorack Buyer's Guide

Click here to return to My New Microphone's articles on musical equipment brands/manufacturers.

Mutable Instruments

Mutable Instruments is a one-woman show from France and one of the biggest names in the Eurorack community. The company's modules have been staples in Eurorack synths across the world for a long time and remain highly sought-after to this day.

The Eurorack modules from Mutable Instruments are innovative yet easy to understand. There's not a rack in the world that couldn't be improved with a Mutable Instruments module (or several modules).

This brand releases everything with open-source code and has its own forum to support users/builders of Mutable Instruments products. The modules haven't only inspired hours of music but also an entire community of synth builders and experimentalists to build their own units.

Notable Modules:
• Rings (Resonator)
• Marbles (Random Sampler)
• Plaits (Micro-oscillator)
• Tides (Tidal modular)
• Stages (Segment generator)

Intellijel

Intellijel is another highly regarded name in the Eurorack community and has been for a relatively long time.

The Canadian company offers a wide variety of Eurorack modules ranging from must-have utility modules to complex modules with special and unique characteristics. Whether you're looking to add a high-quality basic module to your rack or something to take your sound to unchartered territory, Intellijel will certainly have a solution for you.

Intellijel's manufacturer, Dena Technologies, is located in the same warehouse, allowing everything from design, manufacturing, testing and shipping to happen under the same roof. This relationship has made it possible for Intellijel to maintain boutique-like design experimentation while also being able to supply more modules to the market.

Notable Modules:
• Metropolix (Multi-stage sequencer)
• Noise Random Tools 1U (Utility)
• Quad VCA (VCA)
• Planar 2 (Modulator joystick)
• Cylonix Shapeshifter (Dual complex morphable wavetable digital VCO)

Make Noise

Make Noise boasts an impressive line of Eurorack modules that are sure to add new sonic possibilities to your modular synthesizer. The company has been making a name for itself as one of the best Eurorack modular manufacturers since its inception in 2008.

The founder of the company, Tony Rolando, spent time working at Moog Music and brings this expertise to the company to produce some of the world's most outstanding Eurorack modules.

Make Noise is made up of forward-thinking designs that bring fresh and strange ideas to the table to produce some of the greatest, most curious modular synthesizers on the market today.

Notable Modules:
• Maths (Synthesizer)
• QPAS (Quad-core stereo filter)
• STO (VCO)
• DPO (Dual VCO)
• Rene Mk2 (Sequencer)

Cwejman

Cwejman first came to be in the 1970s with its development of the Synthra analog synthesizer. It wasn't until 1998 that the brand came out with its second product (the Cwejman Analogue Workbench). Today the company has a solid list of highly sought-after Eurorack modules that have found places in modular synth enthusiasts' racks around the world.

Cwejman does not produce at a large scale, so it can be difficult to find their products on the mass market. The waiting list is long, but if you're willing to wait, the modules are certainly worth it for their superior design and sonic quality.

The company's ergonomic and dispositional modules may be rare, but they are well-known within the Eurorack community as some of the best units available.

Notable modules:
• ADSR-VC2 (Dual envelope generator)
• CRV-24 (4-band crossover)
• QVC-4 (Quad vector controller)
• VCA-4MX (Quad VCA Mixer)
• VCO-2RM (Dual oscillator)

Erica Synths

Erica Synths is a Latvian company made up of visionaries, engineers, and musicians dedicated to producing high-end and inspiring Eurorack modules.

The company has been around since 2014 and has slowly but surely been making a name for itself as a premier Eurorack module manufacturer. With a passion for audio synthesis, Erica Synths continues to put out stimulating modules that offer novel opportunities for new and unique sounds and functions.

As Erica Synths discontinues its older legacy DIY Eurorack projects, it makes them open-source to further develop the collective knowledge and resources of the Eurorack community at large.

Notable Modules:
• Fusion Plasma Drive (Distortion)
• Black VCO2 (VCO)
• Fusion Ring Modulator V2 (Ring modulator)
• Pico Drums (Percussion synthesizer)
• Black Hole DSP 2 (24 custom effects)

Doepfer

This list wouldn't be complete without mentioning Doepfer. After all, it was Dieter Doepfer and Doepfer Musikelektronik that invented the Eurorack modular synthesizer format in 1996.

Since then, the German brand has grown its reputation as a great modular synth manufacturer into one of the best Eurorack module producers in the world.

The company's A-100 analog modular system has everything a Eurorack enthusiast could want and more. Drawing on experience from the 1970s and earlier, the Doepfer combines vintage wisdom and modern design to produce some of the world's best Eurorack modules.

Notable Modules:
• A-124 SE (Filter)
• A-140 (Envelope shaper)
• A-149-1 (Qunatized/stored random voltage generator)
• A-151 (Quad sequential switch)
• A-185-2 (Precision adder|bus access)

ALM Busy Circuits

ALM / Busy Circuits is a superb manufacturer of Eurorack modules from the United Kingdom.

The company produces high-end modules emphasizing build quality, attention to detail, ethics, and responsible sourcing. This results in creative and fun modules that inspire original sounds.

In addition to producing some of the best Eurorack modules on the market, ALM / Busy Circuits offers world-class support to the users of its incredible products along with ongoing product update to continuously improve upon some of their best-selling modules.

Notable Modules:
• ALM017 – Pamela's NEW Workout (Master clock and modulator)
• ALM022 – Squid Salmple (Sampler)
• ALM023 – mmMidi (MIDI to CV interface)
• ALM027 – Boss Bow Two (Multi-mode switch)
• ALM028 – Pip Slope Mk2 (Envelope generator)

Xaoc Devices

Xaoc Devices is the premier modular synthesizer company from Poland and is a top manufacturer of Eurorack modules.

The company was founded in 2012 with a passion for sound and electronics. This passion shows in the variety of uncompromising yet affordable modules on the company's product list.

The world-class modules from Xaoc have found their places in racks around the world, giving synth enthusiasts access to endlessly enjoyable and novel sound-making experiences.

Notable Modules:
• Batumi (Quadruple low-frequency oscillator)
• Belgrad (Dual-peak multi-mode state variable filter)
• Zadar (Quadruple envelope generator)
• Sarajewo (Syncable analog delay line)
• Katowice (Stereo variable band isolator)

4ms Company

The 4ms Company has experience in several fields of audio products (and several American cities). Starting as an effects pedal manufacturer and moving into digital hardware, this manufacturer had a ton of experience before jumping into the Eurorack game in 2009.

Related article: Are Hardware Synthesizers Worth The Cost?

This company is on a mission to make music better by designing and building innovative musical instruments. Its modules are cherished around the world for their uniqueness and creative potential.

4ms Company offers DIY kits and publishes many of its designs as open-source projects to help develop the Eurorack community even further.

Try adding a 4ms module to your rack and see why the company is one of the best for yourself!

Notable Modules:
• Rotating Clock Divider (Clock generator)
• Pingable (Envelope generator)
• QCD (Quad clock distributor)
• Dual Looping Delay (Delay)
• Row Power 45 (Power source)

Tiptop Audio

Tiptop Audio brings the spirit of Silicon Valley to the modular synth market. The company offers a variety of Eurorack modules, including an impressive line of drum generators.

The modules from Tiptop are designed with a focus on performance and ergonomics, making them sound great and integrate easily into any Eurorack setup.

These innovative modules are world-class and give Tiptop a definite spot on this list.

Notable Modules:
• MISO (Mix invert scale offset)
• Z-DSP (VC Digital signal processor)
• Circadian Rhythms (Performance sequencer)
• Forbidden Planet (Analog filter)
• TG ONE (Sample player)

Behringer

Behringer is, as Behringer does, reproducing legendary but discontinued audio equipment from the past. Love it or hate it, Behringer doesn't only bring back some of the world's best synth modules for decades past but also does so in Eurorack format and at a reasonable price.

Behringer's Eurorack modules are based on famous designs and are produced with quality and precision, offering highly sought-after pieces to the masses.

Check out Behringer for yourself when looking for your next Eurorack module and see just how impressive their modules are.

Notable Modules:
• 140 Dual Envelope/LFO
• 150 Ring Mod/Noise/S&H/LFO
• 172 Phase-Shifter/Delay/LFO
• 173 Quad Gate/Multiples
• 182 Sequencer

The post Top 11 Best Eurorack Module Synth Brands In The World first appeared on My New Microphone and is written by Arthur Fox.

This article is a full directory of modular synth module brands and manufacturers, covering the formats of:

• 5U/MU
• Buchla
• Eurorack
• Frac
• Modcan
• MOTM
• Serge

There are many different types of synth modules, and not all brands will have everything you're looking for. However, regardless of your modular goals, these brands will definitely have something for your modular synth!

Note that part of the beauty of modular synthesizers is the focus on DIY projects, and the decentralized nature of the instruments has made it possible for many small brands and single-person manufacturers. While it may be impractical to keep up with all the new brands that come and go, this list will include the big players and many of the smaller manufacturers on the market.

Related My New Microphone articles:
• Top 11 Benefits Of Learning & Playing Synthesizer
• The Ultimate Eurorack Buyer's Guide
• Top 11 Best Eurorack Module Synth Brands In The World

Click here to return to My New Microphone's articles on musical equipment brands/manufacturers.

Full List Of Modular Synth Module Brands/Manufacturers

000

• Specialty/Focus: Eurorack modules
• Founded: 2015
• Country: Germany
• Notable Module: Mayday MIDI /DIN Sync 24 to Trigger Interface
• Official Website: search on Google

Back to the full list.

1010 Music

• Specialty/Focus: Eurorack modules, desktop devices, software and accessories
• Founded: Aaron Higgins (no date info)
• Country: United States (Los Angeles, California)
• Notable Module: Bitbox mk2 – Intuitive Sampling Module
• Official Website: 1010music.com

Back to the full list.

1979

• Specialty/Focus: Buchla-compatible synthesizer modules
• Founded: no info
• Country: Samoa
• Notable Module: DSD – Digital Stereo Delay
• Official Website: 1979.ws

Back to the full list.

2hp

• Specialty/Focus: Eurorack modules and accessories
• Founded: 2016 by Stephen Hensley
• Country: United States (Ludlow, Massachusetts)
• Notable Module: VCA – Dual Linear VCA
• Official Website: twohp.com

Back to the full list.

20 Objects

• Specialty/Focus: synth modules and apps
• Founded: 2009 by Darwin Grosse
• Country: United States (Northfield, Minnesota)
• Notable Module: ArdCore (no longer in production though clones are available)
• Official Website: 20objects.com

Back to the full list.

256klabs

• Specialty/Focus: Eurorack synth modules
• Founded: 2009 by Fayek Helmi
• Country: Canada
• Notable Module: Matrix Mixer (4×4)
• Official Website: 256klabs.com

Back to the full list.

4ms Company

• Specialty/Focus: Eurorack modules, pods, DIY kits and accessories
• Founded: 1996 by Dan Green as “3ms Pedal”
• Country: United States (Portland, Oregon)
• Notable Module: Pingable Envelope Generator (link to check the price at SynthCube)
• Official Website: 4mscompany.com

4ms Company is featured in My New Microphone's Top 11 Best Eurorack Module Synth Brands In The World.

Back to the full list.

5540 Lab

• Specialty/Focus: Eurorack modules
• Founded: 2018 by Evgeny Kopichon
• Country: Russia
• Notable Module: Triga Clock Generator
• Official Website: N/A

Back to the full list.

7 Dials

• Specialty/Focus: Eurorack modules
• Founded: 2015 by Alan Woodburn
• Country: United Kingdom
• Notable Module: CV Express Expression Pedal Interface, Voltage Processor And Comparator (link to check the price at SynthCube)
• Official Website: N/A

Back to the full list.

Abstract Data

• Specialty/Focus: Eurorack modular and desktop electronic musical instruments, synthesizers and effects
• Founded: 2008
• Country: United Kingdom
• Notable Module: Octocontroller control panel
• Official Website: abstractdata.biz

Back to the full list.

Abyss Devices

• Specialty/Focus: Eurorack modules
• Founded: 2018
• Country: Canada
• Notable Module: Saevetum Tube Distortion with VCA and Filter
• Official Website: abyssdevices.com

Back to the full list.

Acid Rain Technology

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: United States (Seattle, Washington)
• Notable Module: Chainsaw Digital Oscillator
• Official Website: acidraintechnology.com

Back to the full list.

Acidlab

• Specialty/Focus: Eurorack modules, synthesizers and drum machines
• Founded: no info
• Country: Germany
• Notable Module: M303 Modular Synthesizer
• Official Website: acidlab.de

Back to the full list.

ACL (Audiophile Circuits League)

• Specialty/Focus: Eurorack modules, cases and PSU
• Founded: 2017
• Country: Germany
• Notable Module: Multifunction Discrete VCO
• Official Website: audiophilecircuitsleague.com

Back to the full list.

ACXSynth

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: France
• Notable Module: Dual LFO Devil
• Official Website: acxsynth.com

Back to the full list.

ADDAC System

• Specialty/Focus: Eurorack modules, boards, racks, power and accessories
• Founded: 2009
• Country: Portugal
• Notable Module: ADDAC805VS2 VC Signal Router (link to check the price at SynthCube)
• Official Website: addacsystem.com

Back to the full list.

Adventure Audio

• Specialty/Focus: guitar effects pedals and Eurorack modules
• Founded: 2014 by Christian Terjesen
• Country: United States (Rochester, New York)
• Notable Module: Merge Pedal Interface
• Official Website: adventurepedals.com

Back to the full list.

Aemit

• Specialty/Focus: Eurorack modules
• Founded: 1981
• Country: Belgium
• Notable Module: VCO II (link to check it out at ModularGrid)
• Official Website: N/A

Back to the full list.

After Later Audio

• Specialty/Focus: Eurorack modules and accessories
• Founded: 2017 by Lenny and Clarissa Helton
• Country: United States (Seattle, Washington)
• Notable Module: Pachinko Random Sampler
• Official Website: afterlateraudio.com

Back to the full list.

Afterlife Laboratories

• Specialty/Focus: LZX video synthesizers and Eurorack modules
• Founded: 2011
• Country: United States (St. Louis, Missouri)
• Notable Module: Video Calculator
• Official Website: afterlifelaboratories.com

Back to the full list.

AI Synthesis

• Specialty/Focus: Eurorack, frac and 5U MOTM modules, and DIY kits
• Founded: 2016 by Abe Ingle
• Country: United States (Portland, Oregan)
• Notable Module: AI011 Analog Voltage Controlled Oscillator (link to check the price at SynthCube)
• Official Website: aisynthesis.com

Back to the full list.

Aion Modular

• Specialty/Focus: cloned Moog Modular modules in Eurorack format
• Founded: no info
• Country: Portugal
• Notable Module: 921ABB Voltage Controlled Oscillator Bank
• Official Website: aion-modular.com
• Parent Company: Club Of The Knobs

Back to the full list.

AJH Synth

• Specialty/Focus: modular synthesizers
• Founded: 1999 by Allan “J” Hall
• Country: United Kingdom
• Notable Module: Mini Mod Vintage Transistor Core VCO
• Official Website: ajhsynth.com

Back to the full list.

Alemanlabs

• Specialty/Focus: DIY synth module kits
• Founded: no info
• Country: no info
• Notable Module: Tap Tempo LFO
• Official Website: alemanlabs.com

Back to the full list.

ALM / Busy Circuits

• Specialty/Focus: Eurorack modules
• Founded: 2012 by Matthew Allum
• Country: United Kingdom
• Notable Module: Squid Salmple: 8 Channel Audio & CV Sampler
• Official Website: busycircuits.com

ALM / Busy Circuits is featured in My New Microphone's Top 11 Best Eurorack Module Synth Brands In The World.

Back to the full list.

Alright Devices

• Specialty/Focus: modular synth modules
• Founded: by Tyler Coy
• Country: United States (Austin, Texas)
• Notable Module: Chronoblob2 Digital Delay
• Official Website: alrightdevices.com

Back to the full list.

Alyseum

• Specialty/Focus: Eurorack modules and MIDI interfaces
• Founded: 2011
• Country: Belgium
• Notable Module: Q-VCA
• Official Website: alyseum.com

Back to the full list.

AMSynths (Analog Metropolis Synths)

• Specialty/Focus: Analog synthesizer modules
• Founded: 2011 by Rob Keeble
• Country: United Kingdom
• Notable Module: AM4023 LPF (link to check the price at SynthCube)
• Official Website: amsynths.co.uk

Back to the full list.

Anallogic

• Specialty/Focus: analog Eurorack modules and PCBs/panels
• Founded: 2016 by Nick Myer
• Country: United States (Fountain Valley, California)
• Notable Module: Quincey v2.3 / 8 Step Sequencer Synth
• Official Website: N/A

Back to the full list.

Analog Bytes

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United States (Portland, Oregon)
• Notable Module: Pokey.synth DigitalSsynth
• Official Website: analogbytes.org

Back to the full list.

Analog Craftsman

• Specialty/Focus: large-format modular synth modules
• Founded: 2012 by Tony Norton
• Country: United States (Cambridge, Massachusetts)
• Notable Module: acGristle VCA/VCF Modulator
• Official Website: analogcraftsman.com

Back to the full list.

Analog Ordnance

• Specialty/Focus: synthesizers
• Founded: 2012 by Blake Ordnance
• Country: Australia
• Notable Module: Light SEQ Sequencer
• Official Website: analogordnance.com

Back to the full list.

Analog Realities

• Specialty/Focus: synthesizers
• Founded: 2014 by David Ingebretsen
• Country: United States
• Notable Module: 914 Fixed Filter Bank (link to check the price at SynthCube)
• Official Website: analoguerealities.com

Back to the full list.

Analogue Solutions

• Specialty/Focus: synthesizers
• Founded: 2009 by Tom Carpenter
• Country: United Kingdom
• Notable Module: Generator Eurorack
• Official Website: analoguesolutions.com

Analogue Solutions is featured in My New Microphone's Top 11 Best Synthesizer Brands In The World.

Back to the full list.

Analogue Systems

• Specialty/Focus: modular synthesizers
• Founded: 1998 by Bob Williams
• Country: United Kingdom
• Notable Module: RS-510 Synthishaper
• Official Website: analoguesystems.co.uk

Back to the full list.

Animal Factory Amplification

• Specialty/Focus: synth modules and effects pedals
• Founded: 2014
• Country: India
• Notable Module: Godeater Distortion
• Official Website: animalfactoryamps.com

Back to the full list.

AniModule

• Specialty/Focus: guitar/bass pedal and Eurorack synthesizer modules
• Founded: 2014 by Aditya Nandwana
• Country: United States (Doylestown, Pennsylvania)
• Notable Module: Godeater Eurorack Distortion
• Official Website: animodule.com

Back to the full list.

Antimatter Audio

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United States (Portland, Oregon)
• Notable Module: Brain Seed Step Recorder
• Official Website: antimatteraudio.com

Back to the full list.

Antonus

Individual modules not for sale.

• Specialty/Focus: modular synthesizers
• Founded: 2015 by Toni Gutiérrez
• Country: Spain
• Notable Module: N/A
• Official Website: antonus-synths.com

Back to the full list.

Antumbra

• Specialty/Focus: synth modules
• Founded: 2016
• Country: Hungary
• Notable Module: ROT8 8-Step Analog Sequencer
• Official Website: antumbra.eu

Back to the full list.

Anyware Instruments

Individual modules not for sale.

• Specialty/Focus: modular synthesizers
• Founded: 1997 by Tommy Welsch
• Country: Germany
• Notable Module: N/A
• Official Website: anyware-instruments.de

Back to the full list.

Aqa Elektrix

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: Germany
• Notable Module: UP73R-VCO
• Official Website: aqaelektrix.com

Back to the full list.

ARC

• Specialty/Focus: synth modules
• Founded: no info
• Country: United States (New York City, New York)
• Notable Modules: Artificial Neural Network
• Official Website: analogueresearch.com

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Arcaico

• Specialty/Focus: Eurorack modules
• Founded: 2019
• Country: Italy
• Notable Module: Invictus Quad Function Generator
• Official Website: arcaico.eu

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Arcus Audio

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: United States (Bellingham, Washington)
• Notable Module: Buff Mult with Attenuators
• Official Website: arcusaudio.com

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Arrel Audio

• Specialty/Focus: studio outboard gear
• Founded: no info
• Country: Italy
• Notable Module: ER-100 Eurorack 8 Channel Stereo Summing Mixer
• Official Website: arrel-audio.com

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Art For The Ears

Deals mostly in cases.

• Specialty/Focus: handcrafted skiffs & amp cases
• Founded: by Dave Solursh
• Country: Canada
• Notable Module: Power Supply
• Official Website: artfortheears.com

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Arturia

Does not currently sell modular/semi-modular synths or synth modules other than the RackBrute 3U Power Supply.

• Specialty/Focus: Synthesizers
• Founded: 1999 by Frédéric Brun and Gilles Pommereuil
• Country: France
• Notable Module: RackBrute 3U Power Supply
• Official Website: arturia.com

Arturia is featured in the following My New Microphone articles:
• Top 11 Best Synthesizer Brands In The World
• Top 11 Best MIDI Controller Brands In The World
• Top 11 Best Audio Plugin (VST/AU/AAX) Brands In The World
• Top 11 Best Virtual/Software Instrument Plugin Brands

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Atomosynth

Individual modules not for sale.

• Specialty/Focus: Modular synthesizers
• Founded: 2007
• Country: Peru
• Notable Module: Koe Synth Voice (legacy)
• Official Website: atomosynth.net

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Audio Damage

No longer sells hardware modules.

• Specialty/Focus: software synthesizers
• Founded: 2002
• Country: United States (Phoenix, Arizona)
• Notable Module: ADM06 Sequencer 1 (legacy)
• Official Website: audiodamage.com

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Audio Gear Obsession

• Specialty/Focus: synth modules
• Founded: 2019
• Country: Italy
• Notable Module: SUMMINGFACILITY Stereo Mixer
• Official Website: audiogearobsession.com

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Audiospektri

• Specialty/Focus: Eurorack-compatible synthesizers
• Founded: 2014 by Jouko Viitanen
• Country: Finland
• Notable Module: HG-30 Additive Harmonic/Vocoder Generator
• Official Website: audiospektri.com

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Audiothingies

No longer sells modules.

• Specialty/Focus: Desktop synths
• Founded: 2014 by Samuel Montassier
• Country: France
• Notable Module: CED Oscillator Tuner|Sub Octave Generator (legacy)
• Official Website: audiothingies.com

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AvonSynth

• Specialty/Focus: synthesizer modules
• Founded: no info
• Country: New Zealand
• Notable Module: AVS-VCO-1
• Official Website: avonsynth.com

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Bananalogue

• Specialty/Focus: modular synthesizers
• Founded: by Serge Tcherepnin, Ken Stone and Seth Nemec (defunct)
• Country: United States (Austin, Texas)
• Notable Module: WVX Wave Multiplier
• Official Website: N/A

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Bard

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Poland
• Notable Module: Pontius Pentode VCA
• Official Website: N/A

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Barton Musical Circuits

• Specialty/Focus: modular synth modules
• Founded: by Michael Barton
• Country: United States (Bloomington, Indiana)
• Notable Module: VCA MIX BMC015 (link to check the price at SynthCube)
• Official Website: bartonmusicalcircuits.com

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Bastl Instruments

• Specialty/Focus: tabletop synths and Eurorack modules
• Founded: 2013
• Country: Czech Republic
• Notable Module: Grandpa Granular Sampler (link to check the price at SynthCube)
• Official Website: bastl-instruments.com

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Beast-Tek

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: Australia
• Notable Module: Double Dragon Dual Complex LFO (link to check the price at SynthCube)
• Official Website: beast-tek.com

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BEB

• Specialty/Focus: modular synthesizers
• Founded: no info
• Country: France
• Notable Module: Horus DSP Module
• Official Website: N/A

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Befaco

• Specialty/Focus: Eurorack modules and DIY kits
• Founded: 2010
• Country: Spain
• Notable Module: Rampage Ramp Generator (link to check the price at SynthCube)
• Official Website: befaco.org

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Befaker

• Specialty/Focus: modular synths
• Founded: 2013
• Country: Spain
• Notable Module: Addario Voltage Controlled FM Radio
• Official Website: N/A

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Behringer

• Specialty/Focus: prosumer audio equipment
• Founded: 1989 by Uli Behringer
• Country: Germany
• Notable Module: 121 Dual VCF
• Official Website: behringer.com

Behringer is featured in the following My New Microphone articles:
• Top 11 Best Eurorack Module Synth Brands In The World
• Top 11 Best DAW Control Surface Brands In The World
• Top 11 Best MIDI Controller Brands In The World
• Top 11 Best Mixing Board/Console Brands For Home Studios
• Top 11 Best Synthesizer Brands In The World
• Top 11 Best Direct Inject Audio Box Brands On The Market

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Bela

• Specialty/Focus: analog and digital I/O
• Founded: 2014 in the Augmented Instruments Laboratory (London)
• Country: United Kingdom
• Notable Module: Pepper DIY Kit
• Official Website: bela.io

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Benting

• Specialty/Focus: DIY modular kits
• Founded: Bryan J Benting
• Country: United States
• Notable Module: Dual Universal Slope Generator
• Official Website: N/A

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Big T Music

• Specialty/Focus: modular synth modules
• Founded: 2016 by Gareth Luke
• Country: United Kingdom
• Notable Module: Monsoon
• Official Website: N/A

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Birdkids

• Specialty/Focus: modular synths and controllers
• Founded: 2012 by Michael Beim
• Country: Austria
• Notable Module: Raven Analog Synth Voice
• Official Website: birdkids.org

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Bizarre Jezabel

• Specialty/Focus: modular synth modules
• Founded: by Ivan Krasnov
• Country: Russia
• Notable Module: Chloe Stereo Tube Overdrive Delay MultiMode Filter
• Official Website: N/A

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Bizmuth Modular

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Austria
• Notable Module: Bizmuth Bi-Directional Controller/Signal Router
• Official Website: bizmuth-modular.com

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Blacet

• Specialty/Focus: modular synth modules and cases
• Founded: 1978 by John Blacet
• Country: United States (Lakeview, Oregon)
• Notable Module: VCO 2100 (link to check the price at SynthCube)
• Official Website: blacet.com

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Black Cat Pedals

• Specialty/Focus: guitar effects pedals and Eurorack modules
• Founded: 1993 by Fred Bonte
• Country: United States (Foxon, Connecticut)
• Notable Module: Monster K-Fuzz Eurorack
• Official Website: blackcatpedals.com

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Black Corporation

• Specialty/Focus: modular synthesizers
• Founded: 2017 by Roman Filippov
• Country: Japan
• Notable Module: Deckard's Voice – Run2
• Official Website: black-corporation.com

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Black Market Modular

• Specialty/Focus: Eurorack modules and accessories
• Founded: 2018
• Country: United States (Minneapolis, Minnesota)
• Notable Module: Colour Palette Triple VCA
• Official Website: blackmarketmodular.com

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Blind Monk Modular

• Specialty/Focus: modular synthesizers
• Founded: no info
• Country: United States (Greensboro, North Carolina)
• Notable Module: Harmonic Multiplier
• Official Website: blindmonkinstruments.com

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Blinkenlights

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United Kingdom
• Notable Module: 8 Bit Waves
• Official Website: blinkenl.info

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Blood Cells Audio

• Specialty/Focus: hardware and software synths and modules
• Founded: 2019 by Nic Danielson
• Country: United States (Seattle, Washington)
• Notable Module: D.O.MIXX Eurorack Matrix
• Official Website: bloodcellsaudio.com

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Blue Lantern Modules

• Specialty/Focus: modular synths modules
• Founded: 2009 by Flavio Mireles
• Country: United States (Phoenix, Arizona)
• Notable Module: Asteroid Operator VCF
• Official Website: bluelanternstore.com

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Boredbrain Music

• Specialty/Focus: patchbays and interfaces
• Founded: 2015 by Adam Harding
• Country: United States (Richmond, Virginia)
• Notable Module: INTRFX Eurorack FX Interface
• Official Website: boredbrainmusic.com

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BPMC

• Specialty/Focus: glitch video devices
• Founded: 2009 by Drew McIntyre
• Country: United States (Portland, Oregon)
• Notable Module: Fluxus Duo Analog Glitch Video Effects Processor
• Official Website: glitchart.com

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Bragi Modular

• Specialty/Focus: modular synth modules and cases
• Founded: no info
• Country: Denmark
• Notable Module: Frigg EQ
• Official Website: bragi-modular.com

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Bridechamber

• Specialty/Focus: modular synth modules
• Founded: 2005 by Scott Deyo (defunct as of 2015)
• Country: United States (St. Paul, Minnesota)
• Notable Module: MOTM-300 Ultra VCO
• Official Website: N/A

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Broken Silicon

• Specialty/Focus: synthesizers
• Founded: by Rolf Wöhrmann
• Country: Germany
• Notable Module: Gainsburg Dual VCA
• Official Website: brokensilicon.com

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Brownshoesonly

• Specialty/Focus: modular synth modules
• Founded: 2011 by Nick Ciontea
• Country: United States (Chicago, Illinois)
• Notable Module: Triple LFO
• Official Website: brownshoesonly.com

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Bubblesound Instruments

• Specialty/Focus: Eurorack modules
• Founded: 2008 by David Wagenbach
• Country: United States (Brooklyn, New York)
• Notable Module: VCOb
• Official Website: bubblesound-instruments.com

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Buchla U.S.A.

• Specialty/Focus: modular synthesizers
• Founded: 1963 by Don Buchla (the Buchla U.S.A. Company was founded in 2018)
• Country: United States (Minneapolis, Minnesota)
• Notable Module: 252e Buchla Polyphonic Rhythm Generator
• Official Website: buchla.com

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Buck Modular

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United States (Los Angeles, California)
• Notable Module: Attenuhater
• Official Website: N/A

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BugBrand

• Specialty/Focus: modular synthesizers and modules
• Founded: 2004 by Thomas Bosanquet
• Country: United Kingdom
• Notable Module: Dual Envelope
• Official Website: bugbrand.co.uk

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Buranelectrix

• Specialty/Focus: synthesizers
• Founded: 2013 by Jan Cumpelik
• Country: Czech Republic
• Notable Module: Dredrum Eurorack
• Official Website: buranelectrix.com

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Caleb Condit

• Specialty/Focus: modular synth modules
• Founded: Caleb Condit
• Country: United States (Iowa)
• Notable Module: CGS114 DUSG, DOTCOM/MU
• Official Website: N/A

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CalSynth

• Specialty/Focus: modular synth modules
• Founded: 1990 by Struan
• Country: United States (Los Angeles, California)
• Notable Module: Typhon
• Official Website: calsynth.com

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Cat Full Of Ghosts

• Specialty/Focus: audio/video devices
• Founded: by Robert D Jordan
• Country: Australia
• Notable Module: tbar Unipolar/Bipolar Variable Voltage Source
• Official Website: catfullofghosts.xyz

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Catalyst Audio

• Specialty/Focus: modular synth modules
• Founded: 2015
• Country: United States (Los Angeles, California)
• Notable Module: Model 106 Six Channel Mixer
• Official Website: catalystaudio.com

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Catoff

• Specialty/Focus: Eurorack modules
• Founded: 2018
• Country: Russia
• Notable Module: XOT Mix System Master
• Official Website: catoffsystems.com

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CaviSynth

• Specialty/Focus: Eurorack modules and DIY kits
• Founded: 2016 by Stéphane Cavi
• Country: Switzerland
• Notable Module: SUBWAY (SH-101 inspired DCO+sub)
• Official Website: cavisynth.com

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CCTV

• Specialty/Focus: synth modules, effects pedals and accessories
• Founded: no info
• Country: Canada
• Notable Module: uBraids VCO
• Official Website: cctv.fm

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Centrevillage

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Japan
• Notable Module: Trigger HaCker 5×5 Matrix Sequencer
• Official Website: centrevillage.net

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Cereal Instruments

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United Kingdom
• Notable Module: Thump Versatile Vactrol LPG & VCA w/ Distortion
• Official Website: cerealinstruments.reverbsites.com

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CESYG

• Specialty/Focus: analog audio applications
• Founded: 2012 by Neil Johnson
• Country: United Kingdom
• Notable Module: DuaLFO
• Official Website: cesyg.co.uk

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CFM

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Germany
• Notable Module: CFM Bipolar Half-Wave Rectifier
• Official Website: cfmodular.com

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CG Products

• Specialty/Focus: Eurorack modules and audio effects units
• Founded: by Christian Günther
• Country: Germany
• Notable Module: Delay1022 Analog BBD Delay
• Official Website: cg-products.de

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CGS (Cat Girl Synth)

• Specialty/Focus: modular synthesizers
• Founded: 1998 by Ken Stone (now defunct – designs passed on to Elby Designs)
• Country: Australia
• Notable Module: CGS114 DUSG (link to check the price at SynthCube)
• Official Website: N/A

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ChartreArts

• Specialty/Focus: modular synth modules
• Founded: 2016
• Country: Australia
• Notable Module: PUFFBALL VC-Karplus-Strong/BBD
• Official Website: N/A

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CHD Elektroservis

• Specialty/Focus: electronics equipment and accessories for musical instruments
• Founded: 1993
• Country: Czech Republic
• Notable Module: Tunable Noise / S&H Generator
• Official Website: chd-el.cz

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Cherokee Street Electric

• Specialty/Focus: synthesizer modules
• Founded: 2017
• Country: United States (St. Louis, Missouri)
• Notable Module: Valence Programmable Voltage Source
• Official Website: cherokeestreetelectric.com

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Circle Fade

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: France
• Notable Module: Random Eurorack Pitch Gate Generator
• Official Website: circlefade.com

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Circuit Abbey

• Specialty/Focus: Eurorack modules and DIY kits
• Founded: 2010
• Country: United States (Milwauki, Oregon)
• Notable Module: TripFire Trigger/Gate Delay And Comparator (link to check the price at SynthCube)
• Official Website: circuitabbey.com

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Circuit Slices

• Specialty/Focus: Eurorack modules and MIDI devices
• Founded: no info
• Country: United States (Aurora, Ohio)
• Notable Module: CS031 VCF
• Official Website: circuitslices.com

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Clacktronics

• Specialty/Focus: Eurorack modules and effects pedals
• Founded: by Ben Barwise
• Country: United Kingdom
• Notable Module: Euro Speaker Kit (link to check the price at SynthCube)
• Official Website: clacktronics.co.uk

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Clank

• Specialty/Focus: modular synth modules and cases
• Founded: Andrea and Emanuele
• Country: Italy
• Notable Module: Chaos
• Official Website: clank.eu

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Clee

• Specialty/Focus: no specialty
• Founded: Craig Lee
• Country: United States
• Notable Module: 8 Channel Quantizer (link to check the price at SynthCube)
• Official Website: clsound.com

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Club Of The Knobs

• Specialty/Focus: modular synthesizers
• Founded: 2008 by Kazikie (Gerd Peun)
• Country: Portugal
• Notable Module: C 901 VCO
• Official Website: cluboftheknobs.com

Club Of The Knobs is featured in My New Microphone's Top 11 Best MU (Moog-Unit) Synth Module Brands In The World.

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CMS / Discrete Synthesizers

• Specialty/Focus: Modular synthesizers
• Founded: by Phil Cirocco
• Country: United States (Richmond Hill, Georgia)
• Notable Module: Module 1004 – The Pearlman Oscillator
• Official Website: discretesynthesizers.com

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Codex Modulex

• Specialty/Focus: Eurorack modules and re-panelling Mutable Instruments modules
• Founded: no info
• Country: Spain
• Notable Module: µ4XVCA
• Official Website: codex-modulex.com

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Conjured Circuits

• Specialty/Focus: MU & Eurorack synthesizer modules
• Founded: 2015 (defunct 2017)
• Country: United States (Morris County, New Jersey)
• Notable Module: Cloak & Dagger ARP 2600 Post-Lawsuit Filter + Distortion (link to check the price at SynthCube)
• Official Website: conjuredcircuits.com

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Control

• Specialty/Focus: blank Eurorack panels
• Founded: no info
• Country: United States (Brooklyn, New York)
• Notable Module: File
• Official Website: ctrl-mod.com

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Copper Traces

• Specialty/Focus: Eurorack modules
• Founded: 2016
• Country: United States (Hillsborough, New Jersey)
• Notable Module: SEEK 64 Step CV/Gate Sequencer
• Official Website: coppertracesmusic.com

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Corsynth

• Specialty/Focus: modular synth modules (MU/Dotcom format)
• Founded: 2012
• Country: Spain
• Notable Module: C103 Frequency Divider / Multiplier MKII
• Official Website: corsynth.com

Corsynth is featured in My New Microphone's Top 11 Best MU (Moog-Unit) Synth Module Brands In The World.

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Cosmotronic

• Specialty/Focus: Eurorack modules
• Founded: by Detlef Villerius
• Country: Netherlands
• Notable Module: Delta-V Dual Amped Envelope Generator
• Official Website: cosmotronic.nl

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CPU Modular

• Specialty/Focus: electronic music record label
• Founded: 2012
• Country: United Kingdom
• Notable Module: CPU Filter
• Official Website: cpurecords.net

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Cre8audio

• Specialty/Focus: modular synth modules, cases and accessories
• Founded: 2017 by Al Joelson
• Country: United States (Las Vegas, Nevada)
• Notable Module: Chipz Dual VCO and LFO
• Official Website: cre8audio.com

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Critter And Guitari

No longer sell individual modules.

• Specialty/Focus: synth-based musical instruments
• Founded: 2003 by Chris Kucinski and Owen Osborn
• Country: United States (Brooklyn, New York)
• Notable Module: Melody Mill MIDI Interface/Arpeggiator/Sequencer/Controller
• Official Website: critterandguitari.com

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Curetronic

• Specialty/Focus: modular synth modules
• Founded: 1998 by Matthias Schmidt
• Country: Germany
• Notable Module: VCO
• Official Website: curetronic.com

Curetronic is featured in My New Microphone's Top 11 Best MU (Moog-Unit) Synth Module Brands In The World.

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Cwejman

• Specialty/Focus: modular synthesizers
• Founded: 1970s (renewed in the synth market in 1998)
• Country: Sweden
• Notable Module: BLD Bass-Lead & Drum Generator
• Official Website: cwejman.net

Cwejman is featured in My New Microphone's Top 11 Best Eurorack Module Synth Brands In The World.

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Cylonix

• Specialty/Focus: modular synth modules
• Founded: 1998 by James Clark
• Country: Canada
• Notable Module: Cyclebox
• Official Website: cylonix.com

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Cynthia

• Specialty/Focus: modular synth modules
• Founded: 2002 by Cynthia Webster (defunct in 2017)
• Country: United States (Glendale, California)
• Notable Module: Zeroscillator V2 VCO
• Official Website: Look up on Google

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d:Machinery

• Specialty/Focus: modular synth modules
• Founded: 2013 by Frank Daniels
• Country: Germany
• Notable Module: Red LFO
• Official Website: dmachinery.wordpress.com

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D&D Modules

• Specialty/Focus: modular synth modules
• Founded: 2020
• Country: Belgium
• Notable Module: Heaven 16 Sequencer
• Official Website: sub-continental.com/dd
• Parent Company: Sub-Continental

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Darkplace

Manufacturer modules for other brands.

• Specialty/Focus: synth module manufacturing
• Founded: 2013
• Country: United States (Portland, Oregon)
• Notable Module: 100 Grit (for Schlappi Engineering)
• Official Website: darkplacemfg.com

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Dave Jones Design

• Specialty/Focus: audio/visual equipment
• Founded: 1985 as “Designlab” by Dave Jones
• Country: United States (Owego, New York)
• Notable Module: MVIP (Mini Video Image Processor)
• Official Website: djdesign.com

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Dave Smith Modular

No longer sells individual modules.

• Specialty/Focus: synthesizers
• Founded: 2002 by Dave Smith
• Country: United States (San Fransisco, California)
• Notable Module: DSM01 Curtis Filter Module (legacy)
• Official Website: sequential.com

Sequential is featured in My New Microphone's Top 11 Best Synthesizer Brands In The World.

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Delptronics

• Specialty/Focus: Eurorack modules
• Founded: 2010
• Country: United States (Austin, Texas)
• Notable Module: Trigger Man V2 Trigger/Gate Sequencer
• Official Website: delptronics.com

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Delta Sound Labs

No longer sells synth modules.

• Specialty/Focus: Audio software
• Founded: 2017
• Country: United States (Shaker Heights, Ohio)
• Notable Module: Mobula Ring Modulator (link to check the price at SynthCube)
• Official Website: deltasoundlabs.com

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Der Mann mit der Maschine

• Specialty/Focus: Eurorack modules
• Founded: by Mathias Kettner
• Country: Germany
• Notable Module: DROID – Universal CV Processor
• Official Website: dermannmitdermaschine.de

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Detroit Underground

• Specialty/Focus: electronic music record label
• Founded: 1997
• Country: United States (Birmingham, Michigan)
• Notable Module: DU-INO
• Official Website: detroitunderground.net

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Dewanatron

• Specialty/Focus: electronic music instruments
• Founded: 2002 by Brian and Leon Dewan
• Country: United States (New Rochelle, New York)
• Notable Module: Dewanatron Triple Slice (discontinued)
• Official Website: dewanatron.com

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Dijkstar Music

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Netherlands
• Notable Module: RiDrum TK-01
• Official Website: N/A

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DinSync

• Specialty/Focus: Eurorack modules and DIY kits
• Founded: 2010
• Country: Sweden
• Notable Module: Sara VCO
• Official Website: dinsync.info

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Division 6

• Specialty/Focus: Eurorack modules and DIY kits
• Founded: 1947
• Country: United States (New York)
• Notable Module: Dual Mini Sequencer
• Official Website: division-6.com

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DivKid

• Specialty/Focus: Eurorack modules
• Founded: 2014 by Ben Wilson
• Country: United Kingdom
• Notable Module: OCHD 8x LFO
• Official Website: divkidvideo.com

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DJ Thomas White

• Specialty/Focus: Eurorack modules
• Founded: 1996 by Thomas White
• Country: United States (Orange County, California)
• Notable Module: Dual LPG (link to check the price at SynthCube)
• Official Website: divkidvideo.com

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Dnipro Modular

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: Ukraine
• Notable Module: Metamorph polysequencer / CV controller
• Official Website: dnipro-modular.net

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Doboz

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: Lithuania
• Notable Module: VCO340
• Official Website: doboz.audio

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Doepfer

• Specialty/Focus: modular synthesizer modules
• Founded: 1979 by Dieter Döpfer
• Country: Germany
• Notable Module: A-101-1 Vactrol Multitype Filter
• Official Website: doepfer.de

Doepfer is featured in My New Microphone's Top 11 Best Eurorack Module Synth Brands In The World.

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DogFace Audio

• Specialty/Focus: Eurorack modules
• Founded: no info (defunct)
• Country: United States (Providence, Rhode Island)
• Notable Module: octoDAC
• Official Website: N/A

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DotRed Audio Designs

• Specialty/Focus: Eurorack cases and accessories
• Founded: 2016 by Kazuhiro Goto
• Country: Japan
• Notable Module: Powerbase
• Official Website: dotred-audio-designs.com

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Dove Audio

• Specialty/Focus: modular synth modules
• Founded: 2017 by Paula Maddux
• Country: United Kingdom
• Notable Module: Waveplane Oscillator
• Official Website: dove-audio.com

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Dovemans

• Specialty/Focus: Eurorack modules
• Founded: 2018 by Johan Cornelissen
• Country: Netherlands
• Notable Module: Sugar Circuit bend with NAND-gates (link to check the price at SynthCube)
• Official Website: dovemans.com

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DPW Design

• Specialty/Focus: synth modules and effects pedals
• Founded: by Dan Wahlbeck
• Country: Sweden
• Notable Module: MÖG D-2 4-Band Distortion
• Official Website: dpw.se

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Dreadbox

• Specialty/Focus: synthesizers
• Founded: 2012 by Yiannis Diakoumakos and Dimitra Manthou
• Country: Greece
• Notable Module: Antidote / Karplus-Strong Strings
• Official Website: dreadbox-fx.com

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DSP Synthesizers

Mainly focuses on printed circuit boards for DIY modular projects. Does not sell full modules.

• Specialty/Focus: preprogrammed DSP chips for DIY modular market
• Founded: 2014 by Jan Ostman
• Country: Sweden
• Notable Module: VCO PCB
• Official Website: N/A

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DTronics

No longer sells modules.

• Specialty/Focus: synthesizer programmers
• Founded: no info
• Country: Netherlands
• Notable Module: Digidrum (discontinued)
• Official Website: dtronics.nl

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Dwarfcraft Devices

• Specialty/Focus: guitar effects pedals
• Founded: 2007 by Benjamin & Louise Hinz
• Country: United States (Eau Claire, Wisconsin)
• Notable Module: The Great Destroyer Eurorack
• Official Website: dwarfcraft.com

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E-RM

• Specialty/Focus: synthesizers and MIDI clocks
• Founded: 2013 by Maximilian Rest
• Country: Germany
• Notable Module: Polygogo
• Official Website: e-rm.de

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EarDrill

• Specialty/Focus: modular synth modules
• Founded: by Chris Muir
• Country: United States (San Fransisco, California)
• Notable Module: Pendulum/Ratchet
• Official Website: eardrill.com

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EarthQuaker Devices

• Specialty/Focus: guitar effects pedals, Eurorack modules
• Founded: 2004 by Jamie Stillman
• Country: United States (Akron, Ohio)
• Notable Module: Afterneath Eurorack
• Official Website: earthquakerdevices.com

Earthquaker Devices is featured in My New Microphone's Top 11 Best Guitar/Bass Effects Pedal Brands To Know & Use.

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EAS

• Specialty/Focus: modular synth modules
• Founded: by Mike Schmidt
• Country: United States (Brooklyn, New York)
• Notable Module: Miss 10 LFO (link to check the price at SynthCube)
• Official Website: N/A

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Elby Designs

• Specialty/Focus: modular synth modules (including former CGS designs)
• Founded: 2003 by Laurie Biddulph
• Country: Australia
• Notable Module: ED102 Hertz-Volts-Octave-Gate
• Official Website: elby-designs.com

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Electro-Acoustic Research

• Specialty/Focus: modular synth modules
• Founded: 2001 by Peter Grenader
• Country: United States (Los Angeles, California)
• Notable Module: Model 12 • Mark II Dual Vactrol Filter
• Official Website: ear-synth.com

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Electro-Faustus

• Specialty/Focus: guitar effects pedals, synthesizers and musical instruments
• Founded: 2008 by Joe Vella and Eric Kessel
• Country: United States (New York, New York)
• Notable Module: EF110M Blackfly
• Official Website: electrofaustus.com

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Electronic Mood

• Specialty/Focus: modular synth modules
• Founded: no info (defunct)
• Country: Netherlands
• Notable Module: Measures Eight Step Sequencer
• Official Website: N/A

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Electronics Things… And Stuff

• Specialty/Focus: Eurorack accessories and PCBs
• Founded: by David Haillant
• Country: France
• Notable Module: Simple VCO
• Official Website: davidhaillant.com

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Electrosmith

• Specialty/Focus: modular synthesizers and accessories
• Founded: 2020
• Country: United States (San Clemente, California)
• Notable Module: 3340 VCO
• Official Website: electro-smith.com

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Elektrofon

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Norway
• Notable Module: Klang 4 Voice Polyphonic Controller
• Official Website: elektrofon.no

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Elta Music

• Specialty/Focus: modular synthesizers
• Founded: 2014 by Arseniy Tokarev
• Country: Russia
• Notable Module: PF-04 Polivoks Filter
• Official Website: eltamusic.com

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Emblematic Systems

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: Germany
• Notable Module: Catalyst Macro Controller
• Official Website: emblematic-systems.net

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Empirical Circuits

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United States (West Springfield, Massachussetts)
• Notable Module: Dual Latch SR Flip-Flop
• Official Website: N/A

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Empress Effects

• Specialty/Focus: guitar effects pedals
• Founded: 2008 by Jason Fee & Steve Bragg
• Country: Canada
• Notable Module: ZOIA Euroburo
• Official Website: empresseffects.com

Empress Effects is featured in My New Microphone's Top 11 Best Boutique Guitar/Bass Pedal Brands To Know & Use.

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EMW (Electronic Music Works)

• Specialty/Focus: synthesizers
• Founded: 2011
• Country: Brazil
• Notable Module: VCO 204
• Official Website: electronicmusicworks.com

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Encore Electronics

• Specialty/Focus: MIDI and synthesizer devices
• Founded: 1990
• Country: United States (Lafayette, California)
• Notable Module: Frequency Shifter
• Official Website: encoreelectronics.com

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End Times Modular

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: United States (Asheville, North Carolina)
• Notable Module: Lo-Five Drum Module
• Official Website: endtimesmodular.com

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Endangered Audio Research

• Specialty/Focus: synthesizers and effects pedals
• Founded: 2008 by Todd Kelley
• Country: United States (Asheville, North Carolina)
• Notable Module: Gristleizer VCA/VCF
• Official Website: endangeredaudioresearch.com

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Endorphin.es

• Specialty/Focus: modular synth modules
• Founded: 2012 by Andreas Zhukovsky
• Country: Spain
• Notable Module: Cockpit² 4-Channel Stereo Mixer
• Official Website: endorphin.es

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Ensure Sound

• Specialty/Focus: Eurorack modules
• Founded: 2015 by Dmitry Shentyapin
• Country: Poland
• Notable Module: Prodigy ER-16
• Official Website: N/A

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Entrospec

• Specialty/Focus: MIDI interfaces
• Founded: 2014 by Jim Petherwick
• Country: United Kingdom
• Notable Module: Iungo MIDI Interface
• Official Website: entrospec.co.uk

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Eowave

• Specialty/Focus: synthesizers
• Founded: 2000
• Country: France
• Notable Module: Domino Eurorack Analogue Monophonic Synth
• Official Website: eowave.com

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Epicycloid Engineering

• Specialty/Focus: modular synth modules
• Founded: 2017
• Country: United States (Pasadena, California)
• Notable Module: Turbo Entubulator Polymorphic Vacuum Tube Module
• Official Website: epicycloidengr.com

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Epoch Modular

• Specialty/Focus: modular synth modules
• Founded: 2013
• Country: United States (Miami, Florida)
• Notable Module: Twin Peak Mk2
• Official Website: epochmodular.net

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Equinox Synth

• Specialty/Focus: Eurorack modules
• Founded: 2015 by Rob Spencer
• Country: United Kingdom
• Notable Module: Equinox VCO
• Official Website: equinoxsynth.com

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Erd

• Specialty/Focus: modular synth modules
• Founded: no info (defunct)
• Country: United Kingdom
• Notable Module: All the Colours of the Noise
• Official Website: N/A

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Erica Synths

• Specialty/Focus: modular synth modules
• Founded: 2014 by Girts Ozolinš
• Country: Latvia
• Notable Module: Polivoks VCF II (link to check the price at SynthCube)
• Official Website: ericasynths.lv

Erica Synths is featured in My New Microphone's Top 11 Best Eurorack Module Synth Brands In The World.

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Erogenous Tones

• Specialty/Focus: Eurorack modules and audio software
• Founded: 2015 by Rick Burnett
• Country: United States (Raleigh, North Carolina)
• Notable Module: GATESTORM
• Official Website: erogenous-tones.com

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Error Instruments

• Specialty/Focus: synthesizers and accessories
• Founded: 2013 by Paul Tas
• Country: Netherlands
• Notable Module: Liquid Glitcher Ultraviolence Oscillator
• Official Website: errorinstruments.com

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Erthenvar

• Specialty/Focus: synthesizer accessories
• Founded: 2010 by Nicholas Gregorich and John Kennedy (defunct as of 2018)
• Country: United States (San Diego, California)
• Notable Module: Patch Chord
• Official Website: erthenvar.myshopify.com

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ETIT (Eat Your Guitar)

• Specialty/Focus: PCB and DIY kits for synths and effects pedal
• Founded: no info
• Country: United States (Westerly, Rhode Island)
• Notable Module: CD4013 Breakout
• Official Website: eatyourguitar.com

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Eurorack Essentials

• Specialty/Focus: Eurorack modules
• Founded: 2017 by Frederik Lipp
• Country: Germany
• Notable Module: massive passive LP/HP/LOWCUT
• Official Website: eurorack-essentials.com

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Eurorack Hardware

• Specialty/Focus: Euroack modules and accessories
• Founded: by Scott Rise
• Country: United States (Bellevue, Washington)
• Notable Module: Ring Dual Ring Modulator
• Official Website: eurorackhardware.com

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Evaton Technologies

• Specialty/Focus: modular synthesizer modules
• Founded: by Russell Hoffman
• Country: United States (Pittsburgh, Pennsylvania)
• Notable Module: RF Nomad (link to check the price at SynthCube)
• Official Website: evatontechnologies.com

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Eventide

• Specialty/Focus: live, studio and broadcast audiovisual hardware and software
• Founded: 1971 by Richard Factor
• Country: United States (New York City, New York)
• Notable Module: EuroDDL
• Official Website: eventideaudio.com

Eventide is featured in My New Microphone's Top 11 Best Audio Plugin (VST/AU/AAX) Brands In The World.

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Expert Sleepers

• Specialty/Focus: Eurorack modules
• Founded: 2013 by Andrew Ostler
• Country: United Kingdom
• Notable Module: disting EX
• Official Website: expert-sleepers.co.uk

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Expressive E

• Specialty/Focus: MIDI/CV touch controllers
• Founded: 2015 by Alexandre Bellot and Victor Grimaldi
• Country: Germany
• Notable Module: Touché
• Official Website: expressivee.com

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Extralife Instruments

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: United States (San Fransisco, California)
• Notable Module: Super Sixteen Sequencer (link to check the price at SynthCube)
• Official Website: store.extralifeinstruments.com

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Falafular

• Specialty/Focus: Eurorack module DIY kits
• Founded: 2015
• Country: Netherlands
• Notable Module: Quad Patternizer (link to check the price at SynthCube)
• Official Website: falafular.org

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Fancyyyyy Synthesis

• Specialty/Focus: electronic music label and Eurorack modules
• Founded: 2018
• Country: United Kingdom
• Notable Module: Rung Divisions Pulse Divider & Rungler
• Official Website: fancysynthesis.net

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Faselunare

• Specialty/Focus: DIY/open-source synthesizer technology
• Founded: 2018
• Country: Italy
• Notable Module: Gamma Ray VCO
• Official Website: faselunare.com

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Feedback

• Specialty/Focus: synthesizer modules and DIY kits
• Founded: no info
• Country: Romania
• Notable Module: 1BIT Multitap Delay
• Official Website: feedback-modules.myshopify.com

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Five12

• Specialty/Focus: synthesizers
• Founded: 2004
• Country: United States (Albuquerque, New Mexico)
• Notable Module: Vector Sequencer
• Official Website: five12.com

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Flame

• Specialty/Focus: synthesizers
• Founded: no info
• Country: Germany
• Notable Module: µMCLK MIDI-Analog-Clock-Divider
• Official Website: flame.fortschritt-musik.de

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Flight Of Harmony

• Specialty/Focus: modular synth modules
• Founded: 2008
• Country: United States (Seattle, Washington)
• Notable Module: Plague Bearer
• Official Website: flightofharmony.com

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Folktek

• Specialty/Focus: synthesizers
• Founded: 2007 by Arius Blaze and Ben Houston
• Country: United States (Portland, Oregon)
• Notable Module: ROAM Dual Re-Triggerable A/R
• Official Website: folktek.com

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Fonitronik

• Specialty/Focus: modular synth modules and DIY kits
• Founded: 2010 by Matthias Herrmann
• Country: Germany
• Notable Module: TH 4046 VCO (link to check the price at SynthCube)
• Official Website: fonitronik.de

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Found Sound

• Specialty/Focus: Synthesizer shop and repairs
• Founded: 2010
• Country: Australia
• Notable Module: Format
• Official Website: foundsound.com.au

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Foxfield Instruments

• Specialty/Focus: Eurorack modules
• Founded: 2018 by Tom Armitage
• Country: United Kingdom
• Notable Module: UtiLFO
• Official Website: foxfield-instruments.com

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FPB

• Specialty/Focus: synthesizers and synth repair
• Founded: no info
• Country: Germany
• Notable Module: EURO-DSO
• Official Website: fpb-synths.de

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Frap Tools

• Specialty/Focus: modular synth modules
• Founded: 2015 by Simone Fabbri
• Country: Italy
• Notable Module: Brenso Entangled Sound Sources
• Official Website: frap.tools

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Free State FX

• Specialty/Focus: module synthesizers
• Founded: 2009 by Jason Fry
• Country: United States (Lawrence, Kansas)
• Notable Module: FSFX 101: Macro Digital Oscillator
• Official Website: freestatefx.com

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Frequency Central

• Specialty/Focus: modular synth modules
• Founded: 2009 by Rick Holt
• Country: United Kingdom
• Notable Module: CEM3340 VCO (link to check the price at SynthCube)
• Official Website: frequencycentral.co.uk

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Frogleg Synthesis

• Specialty/Focus: modular synth modules & repairs
• Founded: Pete Hartman
• Country: United States (Chicago, Illinois)
• Notable Module: Selective Sample & Hold (link to check the price at SynthCube)
• Official Website: N/A

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Fritz

• Specialty/Focus: electronics musical instruments
• Founded: 1998 by Ian Fritz
• Country: United States (New Mexico)
• Notable Module: Teezer Thru-Zero VCO (link to check the price at SynthCube)
• Official Website: ijfritz.byethost4.com

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Funkstill

• Specialty/Focus: modular synth modules
• Founded: 2018 by Arie Lasry
• Country: Switzerland
• Notable Module: Filter Threek 13700
• Official Website: funkstill.ch

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Future Retro

• Specialty/Focus: modular synth modules
• Founded: 1997 by Jered Flickinger
• Country: United States (Austin, Texas)
• Notable Module: Transient Plus
• Official Website: future-retro.com

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Future Sound Systems

• Specialty/Focus: modular synth modules
• Founded: 2005
• Country: United Kingdom
• Notable Module: TG1 Gristleizer
• Official Website: futuresoundsystems.co.uk

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g200kg

• Specialty/Focus: music software
• Founded: no info
• Country: Japan
• Notable Module: RedLine Oscillator GO01
• Official Website: g200kg.com

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G-Storm Electro

• Specialty/Focus: Eurorack modules
• Founded: 2011
• Country: United States (Oklahoma City, Oklahoma)
• Notable Module: 4027 VCO
• Official Website: gstormelectronica.blogspot.com

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Gamechanger Audio

• Specialty/Focus: guitar effects pedals, synthesizers, Eurorack modules and accessories
• Founded: 2015 by Matiss Tazans, Ilja Krumins, Niks Brensons and Didzis Dubovskis
• Country: Latvia
• Notable Module: Plasma Drive Eurorack
• Official Website: gamechangeraudio.com

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gBiz

• Specialty/Focus: modular synth modules
• Founded: no info
• Country: United Kingdom
• Notable Module: µDervish
• Official Website: N/A

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Genki Instruments

• Specialty/Focus: synthesizers and music software
• Founded: 2013
• Country: Iceland
• Notable Module: Wavefront
• Official Website: genkiinstruments.com

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Gezeiten

• Specialty/Focus: Eurorack modules
• Founded: no info
• Country: Germany
• Notable Module: Ultima Radio TYP1 Cascading Clock
• Official Website: gezeiten-modular.com

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Gibbon Digital

• Specialty/Focus: modular synth modules and MIDI devices
• Founded: 2017
• Country: Netherlands
• Notable Module: Mutuj
• Official Website: gibbondigital.com
• Parent Company: Buso Audio

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Gieskes

• Specialty/Focus: electronic instruments
• Founded: no info
• Country: Netherlands
• Notable Module: No-Drums
• Official Website: gieskes.nl

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Ginko Synthese

• Specialty/Focus: modular synth modules and DIY kits
• Founded: 2012 by Jan Willem Hagenbeek
• Country: Netherlands
• Notable Module: Grains (link to check the price at SynthCube)
• Official Website: ginkosynthese.com

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GMSN!

• Specialty/Focus: modular synth modules and DIY kits
• Founded: (defunct in 2018)
• Country: United Kingdom
• Notable Module: Pure LFO (discontinued)
• Official Website: N/A