Made a lot of progress since the first post about the Dual Benjolin project. At that point I had one assembled and tested board. Since then I’ve built the second … Read More

I had been experiencing pitch instability on my 258J VCOs. It seems that the frequency pots had become scratchy, because by rotating them a few times the instability would stop. … Read More

Quantity: 0 The DuoFonik is a dual SSM2044 VCF from Neutron Sound.  The SSM2044 is an integrated circuit designed for electronic music, for making 4-pole low-pass filters.  This module contains … Read More

Quantity: 1 This is the Resonant Gate designed by Craig Lee, based on the original low pass gate Don Buchla circuit.  The complete discussion is on Muff’s message board. There … Read More

This is a DIY Buchla 281 Function Generator, built on the printed circuit board by Toppobrillo.  The discussion on Muff’s message board has the details.  It’s actually one half of … Read More

Quantity 2 This is my build of the J3RK Buchla 258J VCO board, as discussed on Muff’s message board: Board thread Build and mod thread I put it into my … Read More

Quantity: 2 Description: The Trapezoid VCA is a DIY project from Jurgen Haible, renowned modular synthesizer engineer.  It emulates the EMS VCS3 and Synthi A Trapezoid Generator.  I am not … Read More

Plague Bearer Quantity:  2 in 1U A pair of Flight of Harmony Plague Bearers, built into this small-format 5U panel: Dual Plague Bearer These are sold in a variety of … Read More

Quantity: 2 (of course) This module is derivative of the Buchla 292c Lopass Gate.  The PC board and assembly instructions were made by Thomas White, described on his site on … Read More

Ian Fritz, January 2009 This module is a sawtooth-based VCO capable of frequency modulation (FM) extending past zero frequency into the negative-frequency regime. Thru-zero FM provides a much wider and … Read More