Synths + Kits

  Analogue Realities Fixed Filter Bank   The Analogue Realities Fixed Filter Bank is an extremely precise filter module that allows users to really carve out your synth’s tones. This filter bank contains a series of 12 fixed frequency...

  Beers 2P4T Analogue Switch   2-pole 4-throw binary-addressed bidirectional analogue switch. Loosely intended to mimic the functionality of the 4052 CMOS multiplexor/switch IC but each channel can be individually addressed (yay!) and there...

  Joranalogue Collide 4 – QUADRATURE SPECTRAL COMPUTER 20 HP | +12: 205 mA, −12: 200 mA | JORC4 User Manual (PDF) | ModularGrid “A modern lock-in amplifier that fits in the palm of your hand.” ...

  DivSkip Four Channel Multimode Trigger and Gate Processor DivSkip is a four channel Trigger and Gate processor for Eurorack. Eight modes on four independent channels make this 8HP module a Swiss Army Knife to chain behind clock utilities,...

  4ms Looping Delay Do-It-Yourself Kit for the Looping Delay module. Crystal-clear clock-synced delay for looping up to 90 seconds, echoes, sound-on-sound, Karplus-Strong synthesis, and more. DIY Kit: Easy assembly: all through-hole...

  Frequency Central Silent Disco   Silent Disco is a 4HP output module with left and right line outs, and 2 x stereo headphone outs (1 Watt). Features include: Left and Right Eurorack level inputs (2 x 3.5mm sockets) Left and Right line...

  AI Synthesis AI022 Harmonic Mixer The AI022 Harmonic CP3 Style Mixer is a discreet mixer using no ICs. As gain increases harmonics and analog warmth are added. As gain increases more, distortion and phasing is added, creating new waveforms from...

  Erica Synths mki x es.EDU Wavefolder Even though wavefolding is more of a west coast synthesis concept, it’s a great addition to the otherwise very east coast mki x es.edu DIY system. Why? Because it can provide a ton of unusual timbres...

  ADDAC213C 1U Eurorack Bridge The ADDAC213C is the third pair of modules from our Eurorack Bridge system, this time made for 1U rack rows!   A pair of ADDAC213Cs can be used in standalone to send/receive 8 CV or audio signals between...

  dBj Multiples-Interface-Splitter (MIFS) Eurorack and dotcom/MU Formats An elegant solution for marrying your 3.5mm jack modular systems with your 1/4” jack modular systems courtesy of Brain Dunn (dBj) The MIFS module is designed to...

  NLC1141 Gators (White NLC) This is a 2HP passive gate combiner, simply 7 diodes and a 100k pull-down resistor. Feed it a bunch of gates and get them combined at the output. As it is passive there will be a 0.6V voltage drop to 4.4V but should be...

  ADDAC107 ACID Source We started this module with the idea of developing a complex drum source. However, somewhere along the process we noticed how much better it performed as a synth voice and simply embraced this lucky accident. It...

  Beers Dual VCA/Four Quadrant Multiplier   Dual LM13700 based VCA switchable between 2 and 4 quadrant multiplier modes with optional clipping/distortion and difference and inverted sum outputs. I started from the Four-Quadrant Multiplier...

  Frequency Central Horror Show Horror Show is a 4HP combined noise generator/digital ring modulator/sub oscillator.   Features Noise generator with filter frequency control. Filter is twin-t type. The noise output is normalised to RM X...

  ADDAC309 CV to Expression ADDAC309 CV to Expression allows a simple and straight forward connection between modular and effects pedals that features expression pedal TRS inputs. Instead of using an expression pedal into the effects pedal the...

  NLC1u05 X0R (White Intellijel) This is a very simple passive XOR, which is probably best viewed as a pseudo ring modulator. It is a 1U, two input version of the circuit on This 2 shall Pass.

  Befaco DivKid Stereo Strip Stereo Strip is a 6HP Eurorack module that builds upon the idea of a studio or mixer channel strip for a modular environment. If you’re new to the term ‘channel strip’ think of a single channel strip...

Synthux Touch II DIY Kit Touch 2 is an expandable synth with swappable faceplates. Designed for tactile performance and hands-on control. Upload one of the various open-source instruments and swap the faceplate to match - you have a new instrument! ...

While Jonah has decided to offer the Pet Rock at an extremely accessible price, you have the option to send support here. Due to their already low price, Pet Rocks are NOT eligible for discounts.   Pet Rock is a rogue-like rhythm generator which...

  Yusynth Dial Comparators Project documentation here: https://yusynth.net/Modular/index_en.html

  ADDAC203 CV Mapping This is a new revision of one of our first modules, back from 2010. Now more compact in 6hp and with an Offset CV input. The incoming signal amplitude is controlled by a [GAIN] attenuverter circuit allowing to attenuate the...

  MFOS VC Lowpass Filter (MOTM) Ray Wilson’s classic  LPF for the MOTM format.       

  Beers Melakarta Transposer/Sequencer   The idea for this module came from my friend Rodrigo Kendrick. He was a bit burned out on western tonal structures, and had recently missed out on an electronic lehra machine in a facebook marketplace...

  4ms Sampler DIY Kit Easy assembly: all through-hole components. No SMT or wiring Perfect kit for beginners and experts alike 48kHz, 24-bit low-noise audio: same hi-fidelity as other 4ms modules DSP chips and processor are pre-soldered onto...

Unlock the potential of the Quad LFO with the LFO Phase Expander. Each expander gives you three outputs that duplicate the LFO with a fixed phase difference. The first ranges from 0° to 180°, the second from 90° to 270°, and the last...

  Befaco Molten Bypass This is our new collaboration with Robin Vincent aka Molten Music Technology. A Stereo bypass module to gate control the send of your signals to your favorite effect! Molten bypass features a hard/soft bypass control, to...

  Frequency Central Strips Expandable 4 channel VCA based stereo mixer with tone shaping and FX bus.   Features 4 x input channels, each featuring LEVEL, HIGH, LOW, FX send, PAN, MUTE and CV control of level. FX send and stereo...

  Befaco Octaves VCO A harsh and funky take of an additive Oscillator. Pile up multiplications of your frequency to get a lo-fi-retro wall of squared sound! You get six doubled frequency pulses, or octaves, with common PWM and volume control for...

  NLC1133 Mults (White NLC) Two 4 jack unbuffered mults. This is the easiest NLC module to build.       On Demand Info These kits and assembled modules are offered on demand, click the link to learn more.

  SSL 1720 Hypster (Dotcom/5U) Four channel Chaos generator in 2 MU with limited built-in Lissajous display – Designed by Ian Fritz in collaboration with SSL. Want to add a little more CHAOS into your life?  Here’s...