Quantity: 2 Description: Mattson Mini-Modular Envelope Generator Mattson Mini-Modular VCA I combined the Mattson Envelope Generator and VCA modules into one panel.  Here is George Mattson’s description of the Envelope … Read More

Quantity: 2 Description:  Mattson Mini-Modular Voltage Controlled Mixer Here is a MOTM-ized Mattson VC Mixer!  From the Mattson website: The VC Mixer consists of 4 channels. Each channel has an … Read More

Quantity: 1 Description: Mattson Mini-Modular Quad Buffer I took Mattson’s DIY Quad Buffer board and added four attenuator pots to turn it into a quad buffered attenuator.  I call it … Read More

Ian Fritz, January 2009 This module is a sawtooth-based VCO capable of frequency modulation (FM) extending past zero frequency into the negative-frequency regime. Thru-zero FM provides a much wider and … Read More

I designed this module mainly for the purpose of increasing the resonance of the Cynthia/Buchla Quad Low Pass Gates.  There are quite a few low pass gates circuits around the … Read More

Quantity: 1 Description:  Magic Smoke “Mankato” Voltage Controlled Filter / Low Frequency Oscillator / Slew Limiter From the Magic Smoke website: Designed by well known synth DIY guru Thomas Henry, … Read More

Quantity: 1 Description: Ian Fritz’s circuit produces chaotic oscillations according to a third-order differential, or ‘jerk’, equation.  The panel, bracket, and PCB are available from Bridechamber: Fritz Jerkster Panel Three … 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: 1 Description: Dual Tellun Lag Processor in a Bridechamber panel. Tellun Project Page Bridechamber Panel Page The project is built on two MUUB-4 prototyping boards, stacked on top of … Read More

This is a panel of 32 jacks divided into two sets of 4 cascaded multiple.