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MDM2: Crap-fi analogue drum module for Eurorack synthesisers - PCB and panel set (16HP)


This is the through-hole reincarnation of one of my old modules, the MDM (Modular Drum Machine) - I call it a crap-fi module because, let's face it, the sounds that you'll get out of it are rough, ready and pretty characterful.


The board features:

Two tunable twin-T kick/bass drum oscillators - get everything from flabby kicks through to woodblocks and howling feedback. They can also be used as notch filters too, for added lulz.
Two sets of tunable square-wave oscillators - kind of like a cut down version of the 808-style digital noise source; Schmitt trigger abuse for fun and profit.
Two transistor VCAs - again, inspired by Roland's 808 design. Use the on-board oscillators plus an external envelope to get nice, clashy cymbal sounds.

Note that this isn't an ideal beginner's kit, although if you're patient and can hold a soldering iron at the right end then you can do it. For best results, use triggers or rapidly decaying envelopes for the twin-T sections.

As with my other modules, the panel is laser-cut from 3mm perspex.

If you'd prefer a pre-built module, please submit a custom order request and we can sort something out.

BOM and schematic can be found here:

Approximate board size: 78x100mm - it will fit behind a 16HP panel

£0.00 £19.99
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