Peter Blasser’s paper circuits are made by printing out a graphic, such as the above, at the right scale to match up with the physical sizes of the actual components, … Read More

The world of Eurorack modular cases and power supplies is wild and woolly.  I put together a motley collection of six different cases, five of them small, and the larger … Read More

I upgraded a second Pittsburgh Modular Cell 90 skiff case to a better power supply.  See my previous post about upgrading the same type of case with Zeus Studio Bus … Read More

I had purchased an ADDAC Systems Muscle Sensing module to use in collaboration with a dancer.  But I needed more than one sensor, and so I also built my own, … Read More

I had 2 HP of space left in my Synthrotek portable Eurorack case, after shuffling some modules.   Looking around for 2 HP modules, I found this little gem, from Zlob … Read More

I bought a used Cell 90 case by Pittsburgh Modular.  The power supply that came with it was a simple analog supply with a 12 volt AC wall wart that … Read More

Mattson VC Mixer Taking stock of all my VCA modules, I realized that while I had at least two of each type, I had built only one of George Mattson’s … Read More

With more Eurorack modules added to the studio, I had a need for yet more adapter cables.  Previously, I had made cables for patching between banana systems and 5U quarter-inch … Read More

Razmasynth Unknown Pleasures Unknown Pleasures is an Analog Tactile Noise Generator who use finger’s contact to produce sounds from Low Frequency oscillations to High Frequency Noise. When the metal pads … Read More

This 5U panel contains three CGS PC boards. Serge VCFQ The VARIABLE Q VCF (VCFQ) is an excellent general-purpose VCF offering simultaneous low-pass, high-pass, band-pass and notch (band-reject) outputs. The … Read More