Yamaha CS40M  WOW! Look at that condition and lot's of unique vintage extras. Analog power synth.
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Yamaha CS40M
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From the Price Guide


  • Duophonic
  • 2 VCOs per voice with triangle, square and sawtooth waveforms
  • Multi-mode VCF filter
  • 20 patches / presets
  • ADSR envelope controls
  • CV/Trigger outputs

Product Specs

  • CS-40M Duophonic Synthesizer
  • Black
  • 1979 - 1986
Made In
  • Japan
Number of Keys
  • 44 Keys

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