DIY Eurorack Builds

DM77

Analog drum synth voice ยท David Haillant

MakerDavid Haillant
TypeAnalog drum synth voice
MountingThrough-hole
Width10 HP
LicenseProprietary (GPL-3.0 covers the firmware, no hardware licence)
Difficulty ๐ŸŒถ๏ธ Large through-hole
DM77 module
Photo: David Haillant

Clone of Coron DS8. Redesign of the Coron DS8 drum synth rather than a straight copy. Saw core oscillator that tracks V/oct, a second oscillator for FM metallic sounds, a better noise source, an external audio input through the VCA and a sweep setting for disco toms. Jumper picks trigger or gate response, and in gate mode it works as a small synth voice. Sold as a through hole kit or as a board with the SMD already fitted.

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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