Richard Brewster's Electronic Sounds

This patch uses two of the oscillators in the DIY Tetrazzi. These are each patched through a VCA channel of the new CL VCA and into my Eurorack effects case. … Read More

I noticed a problem with the DIY Quantussy right after I finished it. Chaos wouldn’t go all the way to zero. There was always a bit of cross modulation in … Read More

A few posts back I described an experimental VCA, based on the AVDog circuit by Peter Blasser in the Plumbutter. Our friend crucFx (Josh Rodriquez) offered to make a PC … Read More

Four synchronized sequential rhythms courtesy the Qu-Bit Pulsar emit from this experimental patch for studying the Pulsar. To find the sounds I wanted, I added I/O Instruments Himalia and the … Read More

After I built another Cell 90 case, I went a bit insane and spent days trying to fill it, balancing the tradeoffs of cost and functionality. Eventually the dust started … Read More

I came across a used Pittsburgh Modular Cell 90 Eurorack case with a Tiptop Audio uZeus power supply included, for a very good price. I couldn’t resist. I already have … Read More

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