Simple VCA

Maker	David Haillant
Type	Three input voltage controlled amplifier
Mounting	Through-hole
Width	4 HP
License	Proprietary (GPL-3.0 covers the firmware, no hardware licence)
Difficulty	🧊 Low-count through-hole

Three signal inputs get mixed and then amplified under CV, with an initial gain pot for setting an offset. Another low part count board from the Simple series, sold as PCB, PCB plus panel, kit or assembled.

Documentation

• Assembly instructions

Links

• Maker page
• Buy: Tindie

More from David Haillant

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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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