4Ch Sample Player

Maker	CATs Eurosynth
Type	4 channel WAV trigger sample player for drum sounds
Mounting	SMD
Width	6 HP
License	Proprietary (Hardware CC BY-NC-SA 4.0, noncommercial so not an open licence)
Difficulty	🔥 SMD (0805)

Clone of HAGIWO TR-808 and TR-909 4CH WAV trigger sample player. The output stage was reworked for a Eurorack level swing and the OLED now shuts down during playback to kill display noise.

Documentation

• Bill of materials (BOM)
• 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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