I upgraded my CGS29 Wave Multiplier from board rev. 1.0 to 2.2. The v2.2 PC board is available from SynthCube. Turned out I had all the needed parts and could … Read More

Here is a wide range, non-precision, and somewhat unstable voltage-controlled oscillator (VCO) with just a pot for initial frequency, a CV input attenuator, a triangle (-0.5 to +4.5 volts) and … Read More

Here is a CGS SSG board, assembled as a dual S&H with a one-shot circuit.  It’s the first of six identical boards for use in the Quantasise. The SSG (Smooth … Read More

My banana cabinet is finished! It combines 5U modules, a rack of BugBrand, and my custom CGS Serge panel into one cabinet. Note the vertical alignment between the CGS Serge … Read More

After I had sussed out the Cocoquantus schematic and understood the internal relationships among the five oscillators that Peter B. calls the Quantussy section, I began to wonder what it … Read More

Quantity: 2 in one 1U panel Ken Stone’s CGS 62 Slope Detector: The slope detector is an event-driven gate/trigger generating device. It monitors a control voltage, and responds according to … Read More

I added this board to my portable cabinet that contains a three-voltage power supply.   The CGS 63 Power Supply Delay: The Power Supply Delay is a support module of sorts. … Read More

Quantity: 1 Ken Stone’s CGS 29 Wave Multiplier: The idea for this project came from the fabled middle section of the Serge wave multipliers. … The circuit I came up … Read More

Quantity: 1 I built version 1.1: Bi-N-Tic Version 1.1 build page The later V1.4 build page: CGS 57 Bi-N-Tic Version 1.4 This is a strange mixture of a VCO and … Read More

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Quantity: 1 Analog Logic, 2 Analog Shift Register, 3 Multiples, all in one panel. From Ken Stone’s CGS website: CGS 26 Analog Logic This module is the analog implementation of … Read More