DIY Eurorack Builds

7555 VCO

Sawtooth VCO ยท Nonlinear Circuits

MakerNonlinear Circuits
TypeSawtooth VCO
MountingMixed
Width4 HP
LicenseProprietary (No licence published)
Difficulty ๐ŸŒถ๏ธ Large through-hole
7555 VCO module
Photo: Nonlinear Circuits

A 4HP sawtooth and square VCO based on the utility VCO in Electronotes EN67. Tracks 1V/oct from around 10Hz to over 100kHz and has a very hard sync input.

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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