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

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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

The Cocoquantus from Ciat-Lonbarde is a most unusual instrument for electronic music.  Not many electronic instrument can claim, “materials include: Walnut, Sassafras, Juniper, Cherry, circuit board, transistors, capacitors, and resistors… … Read More

Quantity 1 Here is a DIY Mattson Mini Modular VCF in a MOTM panel.  George Mattson’s description: 4-Pole, 24dB/Octave State Variable Filter jointly designed by Synth DIY guru Jim Patchell … Read More

Quantity:  1 Modifications:  Added attenuator pot for Spread CV The Cloud Generator, otherwise known as the e340, is shown in the photo to the left of its sibling, the e350 … 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 Tony of Oakley Sound keeps updating his modules.  See here for his latest description of the famous ADSR-VCA. Though I already had four of the earlier revision 2 … Read More

Quantity:  1 Dual VCO This is a circuit of my own, based on the XR-2206 VCO data sheet examples.  Features: Coarse and fine frequency controls Low/High range switch Sine/Triangle switched … Read More

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