An overview with links to all the yet known manufacturers of eurorack modules compatable with the Doepfer A-100 series.
Eurorack Synth Modular Manufacturers
- 4MS Pedals has moved from effects pedals into Eurorack Modules, with their Pingable Envelope Generator, Shuffling Clock Multiplier, Atoner, Swash and other modules.
- Abstract Data – maker of the ADE-10 Reactive Shaper module.
- AMSynths - a small scale, UK based, manufacturer of high quality analog synthesizer modules, as well as PCB’s for Synthesizer DIY.
- ADDAC Systems – offers programmable modules, like the Voltage-Controlled Computer system and several stand-alone modules.
- Analogue Systems (UK) – makes the RS line of synth modules, and unique keyboard controllers like the French Connection. Analogue Systems on Synthtopia
- Analogue Solutions (UK) – creators of the Concussor synth modules, along with a variety of synths and sequencers, including the Red Square, the Leipzig, the SEMblance, the TBX-303 and the Oberkorn. Analogue Solutions on Synthtopia
- Bananalogue (USA) – makes several synth modules, including a couple of Serge-influenced modules. Their site is currently missing in action. If you’ve got additional information, leave a comment. Bananalogue on Synthtopia
- Blue Lantern Modules offers a small line of Eurorack modules, which currently includes the LM4250 VCF and the DIode VCF.
- Bubblesound (US) – makes Eurorack synth modules with original components to more accurately capture the sound of vintage gear. Their site is currently missing in action. If you’ve got additional information, leave a comment. Bubblesound on Synthtopia
- Circuit Abbey offers several Eurorack modules, including the Gravity Well wave warper, the Tripfire comparator and input and output modules.
- Cwejman (Sweden) – Cwejman makes semi-modular synthesizers and also a large variety of Eurorack synth modules. Cweman on Synthtopia
- Cyndustries (USA) – Cyndustries makes synth modules in Blacet, DotCom, ModCan, MOTM & Eurorack formats. Their best known modular is the Zeroscillator, a high end modular oscillator. Cyndustries on Synthtopia.
- Delptronics offers Eurorack synthesizer modules, effects boxes and other unique electronic musical instruments.
- Division 6 makes a small line of modules that includes the Filtare SEIII multimode filter and some utility modules.
- Doepfer (Germany) – manufacturer of electronic music instruments, ranging from keyboards and MIDI controllers to complete analog modular synthesizer systems. Doepfer on Synthtopia
- Erthenvar has a line of utility modules, including input, output and power modules. They also carry Eurorack DIY parts, including mounting rail.
- Elby Designs (Australia) – makes the Panther series of Eurorack analog synthesizer modules and kits, based on Cat Girl Synth designs. Elby Designs on Synthtopia
- Encore Electronics – makes the Universal Event Generator and a Frequency Shifter.
- Flame offers Eurorack modules, in addition to other MIDI controller and electronic music instruments. Their current lineup includes the Clockwork, Tame Machine and Talking Synth modules.
- Flight of Harmony (USA) – currently has a small line of synth modules, including the Plague Bearer quad voltage-controlled resonant bandpass filter. Flight of Harmony on Synthtopia
- Future Sound Systems (UK) – Future Sound Systems makes synth modules in MOTM/Modcan/Dotcom and Eurorack formats. You can customize your modules with special panels and LED colors. Future Sound Systems on Synthtopia
- GorillaBox – makes a line of heavy-duty modular synth cases.
- Harvestman (USA) – makes a very original line of voltage-controlled digital signal processing modules, including the Malgorithm, Zorlon Cannon, Tyme Safari and a Polivoks filter. Harvestman on Synthtopia
- Innerclock Systems – offers the Sync-Gen modular DAW synchronization interface.
- Intellijel makes some creatively designed and named modules, including hte Azimuth, Mutagen, Spock and Mind Meld.
- Kenton has introduced a new Eurorack MIDI to CV converter, the Modular Solo.
- Kilpatrick Audio offers some advanced modules, including a dual VCO, Step Sequencer, Pattern Generator and MIDI Convertor.
- Livewire (USA) – Livewire makes a small collection of very interesting synth modules, including the Dalek Modulator, Dual Cyclotron & the Vulcan Modulator. Livewire on Synthtopia
- Livid Instruments has introduced Eurorack format modular MIDI controllers.
- Low Gain Electronics manufacturers several utility modules.
- LZX Industries has a line of EuroRack format synthesizer modules designed for creating and manipulating video and images, the LZX Visionary Modular Video Synthesizer.
- MacBeth Studio Systems has introduced their X-Series of synth modules.
- Makenoise (USA) – makes a small collection of synth modules, including a Quad Multi-Mode Gate, modDemod and the Format Jumbler. Makenoise on Synthtopia
- Malekko Heavy Industry has a broad variety of synth modules, including Eurorack Wiard modules and the B:Assmaster fuzz effect.
- Metasonix (USA) – specializes in vacuum tube based synth modules. Metasonix on Synthtopia
- MFB (Germany) – makes a variety of drum synth modules in addition to standard modular synth components (VCO, VCF, sequencers). MFB also makes semi-modular and mini-synths. MFB on Synthtopia
- Oakley Sound Systems is a popular source of DIY synth module designs.
- Pittsburgh Modular makes a broad range of modules, including an Analog Delay, Generator dual oscillator and the Timetable clock divider.
- Plan B (USA) – Peter Grenader’s line of synthesizer modules features a wide variety of modules, many of which are influenced by classic Buchla designs. Plan B on Synthtopia.
- Snazzy FX has begun offering Eurorack modules, starting with the Dreamboat dual chaotic oscillator.
- STG Sound Labs modules are available in several formats, including Moog style and Eurorack.
- Synthwerks has introduced some unique modules, especially the force sensing resistor family of modules.
- Subconscious Studios – offers a small line of Eurorack modules, including a VCO and LFP.
- Tiptop (USA) – makes a small, but cool line of synth modules, including the Z3000 Smart Voltage Controlled Oscillator and the Z5000 Voltage Controlled Digital Signal Processor. Tiptop Audio on Synthtopia
- TouellSkouarn – offers several Eurorack modules, including a Germanium Fuzz, Fet Pream and Stereo HeadPhone output.
- Trogotronic offers ‘cruel and unusual instruments’, including Eurorack modules, vintage style controllers and ‘Crude Controls’. Current modules include the Model 676 Fury M tube synth and the Model 666 module, which packs a VCO, VCF and VCA into one module.
- Vermona has announced a Quad MIDI-CV interface for Eurorack modular synths.


