The SYN2B is a Quadrature Sine VCO.  It sports a precision 10-turn frequency dial and two FM inputs, 1V/Octave, and an attenuated FM input that is switchable between Exponential and … Read More

Quantity:  1 Modifications:  Added attenuator pot for Spread CV The Cloud Generator, otherwise known as the e340, is shown in the photo to the left of its sibling, the e350 … Read More

Quantity 2 This is my build of the J3RK Buchla 258J VCO board, as discussed on Muff’s message board: Board thread Build and mod thread I put it into my … Read More

Quantity:  1 Dual VCO This is a circuit of my own, based on the XR-2206 VCO data sheet examples.  Features: Coarse and fine frequency controls Low/High range switch Sine/Triangle switched … Read More

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Quantity: 1 Here is a Synthtech e350 Morphing Terrarium DIY project.   Paul Schreiber’s description: The synthesis technology e350 morphing terrarium is a unique wavetable vco with 2 independent waveform outputs. … 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

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Quantity: 1From the Modcan B website: Modifications:

Quantity: 1 From the Cyndustries website: The Zeroscillator is a full-featured electronic-music-quality analog VCO capable of linear frequency modulation through zero hertz and into negative frequencies. This makes it capable … Read More

Quantity: 0 From Ken Stone’s CGS 48 VCO: This VCO started out life as a replacement for the original VCOs in my ’73 Serge, so it replicates a lot of … 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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