RYO

A DUAL VCA / CROSSFADER / FOUR-QUADRANT-MULTIPLIER (RINGMODULATOR / VC-POLARIZER) WITH MIX OUTPUT. THE OUTPUT OF THE FIRST CHANNEL IS NORMALIZED TO THE INPUT OF THE SECOND. WORKS FOR AUDIO AS WELL AS...

  RYO 3xVCA v1.1 3x linear dc-coupled precision VCAs SMT PCB Set (2 PCBs V1.1)     On Demand Info These kits and assembled modules are offered on demand, click the link...

Altered States is a dual analog state variable filter in a 20hp module. (Note: ‘B Stock Panels’ are black on the back side, and brown/pcb base material on the front side) The filter cores...

An easy to build 4-channel amplifying mixer/attenuator with 2.0x gain and 5.0V offset on each channel in an 8hp module. No calibration required.  Ampmix was designed as a handy CV mixer and...

The RYO Aperture is a vactrol lowpass filter and VCA module inspired by the much beloved 292 Lopass Gate from the Buchla 200 series modular system of the 1970s. However, rather than being a straight...

RYO boolean logic nand/and, euro, 4hp The NAND/AND module can be patched as two NOT gates, one NOT gate and one 2- or 3-input NAND/AND gate,one 2-input NAND/AND gate and one 2- or 3-input NAND/AND...

  A compact, easy to use, easy to build and great sounding distortion module which will also work as a VCA if desired. The Optodist is based on two optocouplers that gives its characterful...

NOTE: The synthCube PCB SET and the PCB SET+PANEL bundle INCLUDES rare parts 3XFNJ3303R transistors.  A 4:4 cycling sequential switch, featuring simultaneous forward/reverse stepping, hold,...

The RYO Penta is a compact 4hp 5-step sequencer for eurorack that's easy to build and low cost, without compromising on our usual quality standards such as buffered output, schmitt triggers on inputs...

  RYO Trig Xpander   RYO Trig Xpander is a great VC Sequencer module​. This will give your VC Sequencer 8 individual outputs for each step outputting either a trigger or a gate, selectable...

  RYO VC Sequencer V1.5   The RYO VC Sequencer is avalable assembled and as a Eurorack DIY synth kit. Compact 8-step sequential voltage source in 10hp with classic forward/backward...

The RYO XNOR/XOR/NOT is a 4hp boolean logic module for Eurorack. This module is available assembled and as a Eurorack DIY synth kit. The XNOR/XOR/NOT module can be patched as two NOT gates and one...