Korg MS-02 Synthesizer Interface CV Converter

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When the MS-10, MS-20 and MS-50 synthesizers came onto the market, function-specific modules were introduced to make it easier to connect the different models. These modules offered additional functions for live performances and studio applications. With the MS-01 Foot Controller, a voltage signal could be regulated to control individual synth modules. CV/gate signals could be converted with the practical MS-02 interface. With the MS-03 signal processor, you could convert audio signals into CV/gate signals and in this way connect a synth to external instruments. The internal LFO of the MS-04 modulation pedal could be used to control the VCO and VCF of an MS series model.

First, the MS-02 interface converts Korg's exponential hertz per volt standard (Hz/V) to the linear volt per octave standard (Octave/V) developed by Bob Moog and used by ARP, Sequential, Roland, Oberheim and others. Secondly, the module inverts Korg's Short Trigger standard (S-Trig) into the Voltage Trigger standard (V-Trig) used by most other manufacturers.