Waveform mixer + Suboscillaotor for Black VCO
http://ericasynths.lv/en/shop/eurorack-modules/by-series/black-series/black-vco-expander/
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Selling my Erica Synths Black VCO Expander, which is in excellent cosmetic and working condition. It has been carefully maintained. Functionally, everything operates exactly as it should with no issues whatsoever.The expander is designed specifically to be used with either the Erica Synths Black VCO or Black VCO 2 modules. It is not a standalone module and cannot operate on its own—you’ll need one of the compatible VCOs to take advantage of its features. It expands the core VCO’s functionality by unlocking waveform mixing, suboscillator outputs, and additional control capabilities that deepen your sound design possibilities.The module comes with the original ribbon cable for connecting to the VCO or VCO 2, as well as mounting screws.
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