MATRIXSYNTH: Open Music Labs x0x-heart Eurorack Module Seeks Funding on Crowd Supply

Monday, May 09, 2016

Open Music Labs x0x-heart Eurorack Module Seeks Funding on Crowd Supply

The Open Music Labs x0x-heart has been available as a desktop DIY project for quite some time. Open Labs is now seeking funding on Crowd Supply in order to produce a eurorack version.

"The heart of a TB303 synth recreated in modular format.

The Roland TB303 voice practically defined Acid music, heavily influencing the development of electronic music. Add that voice to your own setup with the x0x-heart Eurorack Module.

The x0x-heart module is the analogue section extracted from the x0xb0x (a TB303 clone) and made small enough to fit the Eurorack format. More nimble as a module, you no longer need to work within the constraints of the original TB303’s sequencer.

CV control of frequency, gate, accent, slide, env-mod, decay, and cut-off
Switches for waveform selection (square and sawtooth), external/internal oscillator mix
VCA and VCF outputs


Eurorack standard format (3U height)
~1.75in depth (45mm)
+/-12V current draw 10mA
5V current draw: 50mA


10” Euro power cable (16 pin to 10 pin connector)
Black anodized aluminum knobs with a diamond knurl pattern and two set screws (with slot heads and flat points)
A .063” (1.6mm) highly durable satin aluminum Metalphoto panel with a black print
Stretch goals
If, during the campaign, the funding amount reaches $15,000, the pacemaker circuit board (the one with the knobs) will be re-designed to allow for easier tuning and manufacturing.

If and when the first stretch goal is met, more goals may be announced during the campaign - let us know what you’d like to see as a stretch goal! No promises, of course. Here are some things we’ve been considering to make available - either for additional purchase or as options:

Red-anodized aluminum knobs
Laser-cut and engraved wood faceplates (which would be more fragile, of course!)
Open source hardware
To help you truly understand and control what you and your module are doing, Open Music Labs makes all schematic and board layout files available for your perusal and use."

Open Music Labs were also behind the Mixtape Alpha, and other devices.

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