I finished the Slightly Nasty Model 2251 Multiband Filter, the third Slightly Nasty module for my 4U Serge project. Of the three, this module was the easiest to build, due … Read More

Marsupial is a Dual AS3350 Voltage-Controlled Filter from SetonixSynth. I don’t use filters often in Eurorack, but I built this one for my Noise Rack (next post). I like the … Read More

Pictured are six modules, in four flavors, from Peter Blasser.  He designated his line of Eurorack modules as Ieaskul F. Mobenthey (IFM).  I have four of the five IFM modules. … Read More

Pictured are three modules from WMD that constitute a system for phase modulation. Triple Bipolar VCA On the left is the Triple Bipolar VCA.  This is a high-quality DC-coupled VCA … 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

Quantity: 0 The DuoFonik is a dual SSM2044 VCF from Neutron Sound.  The SSM2044 is an integrated circuit designed for electronic music, for making 4-pole low-pass filters.  This module contains … Read More

Quantity: 1 This is the Resonant Gate designed by Craig Lee, based on the original low pass gate Don Buchla circuit.  The complete discussion is on Muff’s message board. There … Read More

Quantity 1 Here is a DIY Mattson Mini Modular VCF in a MOTM panel.  George Mattson’s description: 4-Pole, 24dB/Octave State Variable Filter jointly designed by Synth DIY guru Jim Patchell … Read More

Quantity: 1 Ken Stone’s Dual CMOS filters, a.k.a. “Twin Wasp” VCF. Here’s a link to Ken’s CGS 49 PC Board. Continuing the squeeze-it-into-1U-with-small-knobs approach, I designed this Front Panel Express … Read More

Plague Bearer Quantity:  2 in 1U A pair of Flight of Harmony Plague Bearers, built into this small-format 5U panel: Dual Plague Bearer These are sold in a variety of … Read More