Richard Brewster's Electronic Sounds

DIY Quantussy controls Modular Tetrazzi and some filters. Later I made another recording with a variation on this patch. Similar, but with a different filter and tweaks.

This box contains one HBB15-1.5A power supply. I recapped the supply (replaced all the electrolytic capacitors), as I had done for the MOTM cabinets. The caps on the MOTM-900 were … Read More

Finally got a Tallin Dual VCA from Xaoc. Tallin is a perfect VCA for adding tremolo on top of an envelope. After playing around to find a nice sound source, … Read More

A video and a recording

Tetrazzi, DIY Quantussy, 5-6 Rollz, Dubernator, and Cocoquantus all jamming together. Signal flow: Two Tetrazzi triangle outputs into two Dubernator channels; Dubernator outputs into Cocoquantus. Controls: 5-6 Rollz controlling two … Read More

Another Ciat-Lonbarde PC board from crucFX, a.k.a. Josh Rodriquez, with circuit design by Peter Blasser. Dubernator is a dual bandpass filter, highly resonant. It features two identical, independent filters, each … Read More

A couple of drones patched on the MOTM.

Is it really done? I’ve spent a lot of time looking over Eurorack modules on Modular Grid over the past six years since I started accumulating Eurorack. It can be … Read More

I’ve built a Tetrazzi quad oscillator, a Quantussy quintuple modulator, a Roolz 5-6 dual LFO, and am about to built a Dubernator dual VCF. All of these from PC boards … Read More

Time for another automatic music patch! This one has three voices controlled by six functions generators modifying each others rates. The three tracks use different effects and slightly different variants … Read More