VCO

HEXINVERTER Jupiter Storm DIY

A Eurorack DIY project that took some creative thinking about its packaging, this Jupiter Storm Cosmic Noise Oscillator by HEXINVERTER came as a panel/PCB from Modular Addict. Whoa, the DIY … Read More

Blacet VCO 2100

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

Slightly Nasty Discrete Oscillator

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

Hale Modular VC Slew

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

Dual Benjolin Patch

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

Benjolin Project Progress

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

Dual Benjolin Project

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

ST Modular EuroKastle

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

Engine Waveform Mods

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