Here is Ieaskul F. Mobenthy Sprott, Peter Blasser’s filter for Eurorack.  Peter’s manual is, as usual, somewhat abbreviated.  I’ve been experimenting with Sprott and herewith are some of my findings. … 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

Quantity: 0 Description:  Blacet Research Model DF2420 manually controlled state variable filters.  Two filters in a single 1U panel. From the Blacet website: Two high quality state variable filters in … Read More

Quantity: 0 Ken Stone’s CGS 35 Synthacon VCF: This module is a “tribute” module, based on the awesome Steiner-Parker Synthacon VCF. Those who know me will know I’m not a … Read More

The MOTM-480 CS-80 Resonant Filter consists of two identical state-variable Voltage Controlled Filters. Each filter circuit features: 1V/Octave frequency control input FM input with reversible attenuator VC resonance input High … Read More