Yamaha CS-30

Yamaha CS-30 Image

The CS-30 is a large, knob infested, black analog synthesizer with traditional features. It is a monophonic synth with extensive analog control and shaping. It has two oscillators with separate outputs, two voltage-controlled resonant filters, two voltage-controlled amplifiers and three envelopes. It also features a ring modulator, external audio triggering and a simple but useful 8-step sequencer for use as a sketch pad, pattern or arpeggio effect. The CS-30 does not have any on-board effects, memory nor MIDI. Although the CS-30 is just a monophonic synth with a short 44 note keyboard it offers a lot of programming flexibility, and plenty of knobs. It's used by 808 State.

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35 Visitor comments
August 14, 2010 @ 3:26 pm
Depeche Mode have recently used this synth.
Frank Carvalho
August 4, 2010 @ 1:33 pm
Yes, I can confirm that. The ring modulator is situated on the VCA2 section, just below the "YAMAHA" letters. See my page: for details, description and some weird sound samples.
July 23, 2010 @ 2:54 am
Can someone verify for me that the CS-30 and CS-30L actually have a ring modulator? I've seen it mentioned online including here but from looking at photos of it I can't see where it might be located? I've also read that it uses the same filter as the CS-80, is there any truth in that? Thanks in advance.
Mert Topel
April 26, 2010 @ 6:35 am
Impractical on stage because of lack of memory, the number of knobs ready to ruin your patch at a slight accidental touch and it's very confusing signal flow.

Sounds mediocre when used mainstream but perfect for experimental synthesis.

Ability to modulate sounds via internal step sequencer and A/D input gives a lot of power.
November 25, 2009 @ 10:48 am
Herman Gillis had one in his studio as well.
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  • Check Price
  • The link above will take you to an eBay search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Polyphony - (1) Monophonic
  • Oscillators - 2 VCOs
  • Arpeg/Seq - Sequencer (Only 8 notes, 1 pattern)
  • Effects - None
  • Keyboard - 44 Keys
  • Memory - None
  • Control - CV/Gate, External Trigger
  • Date Produced - 1977 - 1980
  • Resources & Credits
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