A*B+C

Maker	Befaco
Type	Dual four-quadrant multiplier / VCA / ring mod (A*B+C)
Mounting	Through-hole (SMD pre-soldered)
Width	6 HP
License	Proprietary (No hardware licence published)
Difficulty	🌡️ Medium through-hole

Documentation

• Assembly instructions
• Bill of materials (BOM)
• Schematic

Videos

Links

• Maker page
• Buy: Thonk

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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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