DIY Kits

From the manufacturer: ADDAC605 Spectral Tilt The TILT EQ concept was first introduced in the 1970's by Quad Ltd, featured on the company’s model 34 preamplifier.The tilt control tilts the frequency spectrum of the audio signal by simultaneously...

  conjured circuits jp6 multimode vcf, kit conjured circuits has developed a multimode voltage-controlled filter based upon the design of the Jove from System80 that was inspired by the filter on the Roland Jupiter-6 The jove is a great sounding...

From the manufacturer: ADDAC 306 VC Transitions Kit ADDAC306 is a 5 channel multi-directional CV generator. You can think of it as a "sweet spot" controller, or a hands-on way of transiting from one state to another. Each of the five channels...

  Circuit Abbey Intermix Initially meant to be a mix expander for the G8 divider, it has morphed into a universal mix expander. The Intermix has 8 attenuverting inputs that mix into one output. The Intermix opens many new possibilities for the G8...

    Neutron Sound Orgone Accumulator V3 (SMT Neutron Black)   Beautiful black panel by neutron sound and michigan synth works (black textured finish) Full kit to build the neutron-sound orgone accumulator digital wave module in...

  Neutron Sound Orgone Accumulator V3 (SMT White Magpie)   White magpie version Full kit to build the neutron-sound orgone accumulator digital wave module in eurorack format this is the current  V3 SMT version of the PCB/Panel...

Those that build a lot of NLC modules will know this is one of my favorite circuits. The diff-rect has appeared on the Neuron, 1050 mix/sequencer, triple Sloth, GENiE and 8 of them make up the Let's Splosh. It is great for mixing audio and/or CV signals...

From the manufacturer: This module is a peculiar type of mixer that instead of just summing two input signals (X & Y) it also allows the possibility to subtract the two signals.It works both for audio and CV signals and hence the possibility to get...

  A Transistor Ladder Filter: - Loosely Based on the concept of Moog Transistor Ladder Filter - Compensation for loss of bass in high resonace settings via potentiometer - 6,12,18,24 dB/Oct selectable via potentiometer or CV! - 2 Inputs with...

  Robaux LL8  The LL8 is a tiny eight-track trigger sequencer for your eurorack.   Program your patterns like on a classic TR machine. Record patterns with your fingertips. Create random patterns at the touch of a button. Turn your...

From the manufacturer: ADDAC 215 Dual S&H Kit At its core it features a noise source and two precision Sample & Holds that drastically reduce the typical voltage drop over time (20 minutes for a 0.01v drop) and with 0.3% of maximum deviation from...

  Frequency Central System X Dual Amplifier (MU/Dotcom) Another in the latest series of dotom/MU modules from Rick Holt at Frequency Central, the System X Dual Amplifier is based on the Roland System 100M VCA. The full DIY synth kit includes...

  kassutronics vco 3340 Wood Panel Version Picture reflects prototype panel not yet available  very cool synth DIY eurorack modules from Finland! The CEM3340 VCO chip is one of the legendary chips designed by Doug Curtis that played an...

  frequency central arley dynamics, full kit A combined ADSR and VCA in a small 6HP package with some novel features Arley Dynamics takes our super snappy CEMvelope, marries it to a VCA from our More VCAs, and throws in a bunch of...

ADDAC System ADDAC106 T-Noiseworks Kit This is the last module in our T-Networks series, a straight forward 4 voice module with frequency and decay controls for each of the voices. As the name already unveils we added a noise source and created 2...

  Blacet Micro LFO 2430   We acquired Blacet research in 2019 after the unfortunate passing of its founder, John Blacet. We will continue to make Blacet products available and support the FRAC format.  Best discussion forum for the...

  Division 6 CEM3340 VCO   This Voltage-Controlled Oscillator is based on the Curtis CEM3340 IC. The boards are available fully-assembled or in kit format. Can be used as a standalone board, put in an enclosure, or mounted behind a...

  fonitronik th pal vcf A lowpass/allpass VCF based on the CEM3320 4-pole filter IC. The allpass mode makes this one rather unique. more here: http://www.fonitronik.de/application/files/1916/0068/6517/TH-PAL-VCF.pdf     On...

  Pharmasonic SYS-700 704 VCA   Eurorack DIY synth kits of the SYS-700 VCA section. synthCube kit includes all the parts necessary to assemble the module.    Build thread here: 702 VCO build thread   This diagram...

The Mini-Bus and Mini-Bus Extender are a compact, expandable and low noise power solution for Buchla systems. Available as a PCB you can build or an assembled board with all PCB mount parts installed.      (Some assembly for installation...

  Beast-Tek Mutagen   Mutagen is packed with logic options for adding spice and variety to your drum beats and sequenced gates. Dual probability switches (also known as Bernoulli gates) randomly route a trigger or gate signal to one of two...

  Frequency Central System X Dual Env Gen ADSR (MU/Dotcom) Frequency Central’s System X Dual ADSR EG is based on the Roland 100M ADSR. This module is so good, FC double dipped and gave you the snappiest twins in the biz. Accept...

  Frequency Central Turn! Turn! Fixed voltage source with BIG KNOBS and multiple voltage ranges.   Fixed voltage sources are not a new idea in modular, but we hope that Turn! Turn! brings a new twist to the concept. Turn!...

  blacet dual linear vca 2410 We acquired Blacet research in 2019 after the unfortunate passing of its founder, John Blacet. We will continue to make Blacet products available and support the FRAC format.  Best discussion forum for the frac...

  Beast Tek Double Dragon   Double Dragon is a dual complex LFO that packs a fatal punch! The second LFO can be twisted, warped, destroyed and modulated by the first LFO using one of seven different algorithms to produce modulations more...

  SSI2144 - SSM2044 Drop-in Replacement PCB Adapter   Uses SSI2144 SMT IC. Sound Semiconductor has been offering the SSI2144 in SMT form factor.  We are now offering this ‘adapter PCB’ allowing you to ‘drop in’...