Peter Blasser’s Sidrassi circuit was the first incarnation of an evolution of his design for a seven-oscillator organ.  Others have told the story well. Fans of the Sidrassi/Sidrazzi/Sidrax have never … Read More

I am nuts about voltage-controlled slewing modules, which all stem from the Serge Positive and Negative Slews, and the Dual Universal Slope Generator (DUSG).  In Eurorack I have Make Noise … Read More

In my previous post I mentioned a case idea for the Swoop Spokes PC board. I made it of two pieces of 1/8 inch clear acrylic, which were cut to … Read More

The paper circuit, shown above, is the only information that we have that pertains to the Swoop Spokes.  It was a kind of mystery circuit that no one else (that … Read More

Here’s the result of a light bulb going off in my mind a few days ago.  I have several different cases for Eurorack modules, and I’ve found that patching across … Read More

L-1 Stereo VC Mixer replaces the Verbos Scan & Pan for my output mixer. Features 4 stereo channels with voltage controlled level and panning Voltage controlled sum out level Stereo … Read More

Filled up the Synthrotek wood case, 9U x 104hp.  It needed more power than one 4ms Row Power 40, so I added a second.  Row Power 40s can share a … Read More

I reused a Pittsburgh Modular Cell 90 AC supply to make a test bench power supply for Eurorack modules. The AC supply powered older Cell 90 skiff cases. It’s your … Read More

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