Quadmod

Maker	Mountjoy Modular
Type	Four channel phaser, flanger and delay effect for the polyphonic range
Mounting	SMD
Width	14 HP
License	Proprietary (No hardware licence published)
Difficulty	🌋 Fine-pitch SMD

STM32 with an AKM AK4619 four channel codec. Each channel's all pass filters or delays sit 45 degrees out of phase with the last, which spreads a four voice input across a stereo output.

Documentation

• Schematic
• Fabrication files (PCBA-ready)

Links

• Source / files on GitHub
• Maker page

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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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