I had a pair of rack end pieces left over from a previous rack project. And I also had a power supply left over from that same project. All I … Read More

I use a lot of Sample and Hold modules. They are an essential component of a Quantussy Cell. It is hard to find simple sample and holds, those without a … Read More

Mido-based gear designed by Peter Blasser typically centers audio signals at a +4.5 volt bias, which Peter refers to as “mido”, i.e. middle. And these signals are roughly 4 volts … 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

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

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

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

SSSR Labs SM630 AWS (Alisa Wave Shaper) SSSR Labs AWS is the first collaborative design by Dmitry Shtatnov and Vyacheslav Grigoriev. The module is inspired by the «Harmonics» waveshaper section … Read More