Korg MS-20

Korg MS-20 is a legendary monophonic analog synthesizer first released in 1978. Known for its aggressive filters, patchable semi-modular design, and raw character, it became an iconic instrument for electronic, industrial, and experimental music. Its dual filters and external signal processor made it a versatile tool for shaping both synth tones and external audio sources.

  • Keys: 37 (full-size)
  • Type: Semi-modular analog monosynth
  • Polyphony: Monophonic (1 voice)
  • Notable features: 2 VCOs, dual resonant HPF & LPF filters, patch panel for modular routing, external signal processor (ESP), CV/Gate I/O
  • Release date: 1978

The original Korg MS-20 is famous for its snarling, aggressive sound and flexible semi-modular patch bay. Its unique filter design gives it a distinct tonal character, from screaming leads and squelchy bass to chaotic noise textures. The external signal processor allows guitars, drum machines, or vocals to be processed through the MS-20’s filters and modulation, making it a true sound design classic that continues to inspire musicians and producers to this day.

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