I wish I had never sold it! I built this great VCO into MOTM format so early on that it preceded this website. You can still buy a VCO 2100 … Read More

Assembly is complete for the Slightly Nasty Model 1011 Discrete Oscillator. In this post I’ll describe the build, providing a few specific part numbers used, and give a couple of … Read More

I scored this very cool VC SLEW LIMIT/LOCK module from Hale for my 4U Serge project. The VC SLEW LIMIT/LOCK is a dual channel, dual mode module that can accurately … Read More

The Dual Benjolin is finished, racked and patched. I rearranged the rack cases in my studio to accommodate the Benjolin, as well as to plan ahead for the upcoming 4U … Read More

Made a lot of progress since the first post about the Dual Benjolin project. At that point I had one assembled and tested board. Since then I’ve built the second … Read More

I was gifted a pair of Benjolin PC boards by Alan Rosetti. The Benjolin was originally designed by the late Rob Hordijk. There’s a good article about it on Perfect … 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

Rubin Sponar, the module designer, posted the following mods. R2, R3: change from 100k to 110k for offset of Triangle output, also improves sine roundness.R85, R92: change from 100k to … Read More

After all that documentation of the Inertia, I wanted to do a patch with it. I set up the DIY Quantussy and patched five of its Sample & Hold outputs … Read More

This post covers New Systems Instruments Inertia in High range, i.e. for use as an oscillator or filter. For audio oscillation, mode is usually set to Skew, which allows frequency … Read More