DIY Eurorack Builds

Moldy Rapture VCO

SSI2131 VCO ยท Nonlinear Circuits

MakerNonlinear Circuits
TypeSSI2131 VCO
MountingThrough-hole
Width10 HP
LicenseProprietary (No licence published)
Difficulty ๐ŸŒก๏ธ Medium through-hole
Moldy Rapture VCO module
Photo: Nonlinear Circuits

A stable VCO built around the SSI2131 chip that tracks over 10 octaves. Outputs saw, triangle, pulse and a pan-pulse waveform.

Documentation

This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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