DIY Eurorack Builds

Dual VCA

Dual OTA (LM13700) VCA and mixer ยท Zlob Modular

MakerZlob Modular
TypeDual OTA (LM13700) VCA and mixer
MountingThrough-hole
Width2 HP
LicenseProprietary (No licence published)
Difficulty ๐ŸŒก๏ธ Medium through-hole
Dual VCA module
Photo: Zlob Modular

Two DC-coupled linear OTA (LM13700) VCAs that sum to a mix out, usable as a voltage-controlled mixer. 2 HP through-hole, reverse-power protected.

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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