Synths + Kits

The JSI Synth Progue is a monophonic analog DIY synthesizer inspired by the two well-known vintage synthesizers: the Moog Rogue and the Moog Prodigy. JSI took the best qualities of both and combined them into one portable tabletop synthesizer. The prime...

  Frequency Central Speak Truth to Power Speak Truth To Power is a Eurorack power and bus solution which runs from a 9V DC centre positive wallwart. Please note that attempting to run Speak Truth To Power from an AC wallwart or a DC...

  NLC1u06 MulCho (White Intellijel) This is a 1U version of the chopper multipliers in ChoMul, so the description is pretty much the same: This module is inspired by an article from Harald Bode discussing ring modulators and multipliers. I...

full kit includes panel, pcb set, all parts individually bagged and labelled, wire etc.  Two voltage controlled digital functions (envelopes), each normalised to their own low-distortion linear, DC-coupled voltage controlled amplifier  Each...

  Frequency Central Akropoli   Advanced generative sequencer featuring mutes per channel and transposition facilities.   Akropoli is an extension and enhancement of Frequency Central’s Little Melody and High Towers modules,...

  Frequency Central Shapes Shapes is a wide ranging and fully analogue oscillator which can perform duties as both auxilliary VCO* as well as VC-LFO. Shapes can be configured to cycle continuously, or to provide one-shot shaped...

  4ms Tapographic Delay The Tapographic Delay, designed by Matthias Puech and 4ms Company, is a complex multi-tap delay in the Eurorack format with a unique interface designed for live performance. It excels at transforming the simplest audio (a...

From the manufacturer: NLC1141 Gators (Black 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...

  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,...

From the manufacturer: 4ms Looping Delay Crystal-clear clock-synced delay for looping up to 90 seconds, echoes, sound-on-sound, Karplus-Strong synthesis, and more. Loop or echo time is synchronized to a clock 87 seconds of delay/loop time maximum in...

  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 old ones...

  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...

From the manufacturer: 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...

  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...

  Any of the "Pay Jonah (The Maker) An extra$" options are only for the donation to Jonah! These options do no include a module or kit. Please be sure to add a kit or module, and the donation option to your cart.    PLEASE- OPT-IN FOR...

  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.