Richard Brewster's Electronic Sounds

Another 4hp digital LFO kit for Eurorack, the CCTV Coven LFO is an addition to my Noise Rack. Coven LFO is a 4 HP modulation source in an easy-to-build DIY … Read More

One of the simplest DIY builds, the AI Synthesis AI010 Switching Attenuator was also a test to see if I could find a better quality “tall trimmer” potentiometer. But first, … Read More

My mood today

I built this neat little LFO from Frequency Central. I had a need for some smaller LFOs to use in racks built for improvisation, so I got two kits for … Read More

In a dream I heard a single oscillator voice gradually rising and falling. That became the basis of this patch, which features six sine wave oscillators, wavering in pitch and … Read More

I have been assembling a rack for noise improvisation, in the wood case that Kri Samadhi helped me build. Here’s the Modular Grid view. The blank panel on the right … Read More

Marsupial is a Dual AS3350 Voltage-Controlled Filter from SetonixSynth. I don’t use filters often in Eurorack, but I built this one for my Noise Rack (next post). I like the … Read More

EuroKastle is a Eurorack version of the Bastl Instruments Kastle or Drum Kastle Synth. This is the third PT Modular semi-kit I’ve purchased from Calsynth. It comes with a full … Read More

Another easy DIY module from Calsynth, the Stereo Total. It is a manual mono to stereo and stereo width controller. The first block A is a Stereo Simulator that creates … Read More

Ciat-Lonbarde instruments are getting older and sometimes need a replacement knob. I found a perfect match, Mouser part number 450-4660, also the same part number from Eagle Plastic Devices. It … Read More