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Steve’s MS-22 dual VCF Module for Eurorack

The MS-22 is a dual voltage controlled filter. The Eurorack Filter was inspired by the classic Korg MS-20 filter, with an innovative modulation matrix and one of the highest function-to-hp ratios in the land of Eurorack.

ThreeTom Modular releases Steve’s MS 22
ThreeTom Modular releases Steve’s MS-22 2

MS-22 uniqueness

The MS-22 contains two dedicated filter circuits, one low-pass, and the other a high-pass. These are configured in series, the high-pass going into the low-pass. This configuration allows a unique duo-phonic fighting resonance behavior. The cutoff frequencies of both filters can be CV’ed. Compared to most bread-and-butter MS-20 clones, the MS-22 is double the amount of filter condensed down into half the package (4HP).

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THREETOM modular, a small modular synthesizer company based in Belgium.


Steve’s MS-22 is manufactured to order in limited batches. Fully assembled modules are available for 225 EUR (excl. shipping). DIY PCB+panel sets are available for 50 EUR (incl. shipping). Read more about how to place an order.

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