Yamaha CS-15

Yamaha CS-15 Image

This synth really has its own sound. The CS-15's got style. Built like a tank with a lot of nice knobs and best of all, not one but two of those funny sounding multimode filters. It's actually a duophonic / bitimbral synth but you have to connect it to CV (Hz/V like Korg not V/Oct) to get the extra voice. Each of the two VCOs has its own CV/Gate control.

Yamaha CS-15 Image

The best things about it are the flexibility of the VCFs and the routings to the filters and envelopes. You can rout VCO 1 to both VCFs and the VCFs to any of the envelopes positive or negative voltage. The VCFs are 12 dB/Oct and are switchable between low, band or high-pass. They are the key to the nice sound of the Yamaha CS family. Other nice features are noise, external-in for processing other sounds, LFO with Sample & Hold for those bubbling sounds and an individual auto-bend for the VCOs.

Yamaha CS-15 Image

The CS-15 is great for strange blips, bass and tiny highpass sounds. The ADSRs aren't as fast as the CS-10 but they are ok. A nice feature is the 'brilliance' slider that can control either or both VCFs. At their extremely low prices, the CS-15 is an analog that's definitely worth checking out for yourself. It has been used by Astral Projection, Somatic Responses, Moog Cookbook, The Human League, and Vince Clarke.

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VSE Rating

Excellent

User Rating

Rated 4 (606 Votes)

  • 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 - Monophonic / Duophonic
  • Oscillators - 2 VCOs
  • LFO - One with triangle, saw and S&H waveforms
  • Filter - Two multimode (LP/BP/HP). Controlled by either or both ADSRs.
  • Effects - None
  • Keyboard - 37 keys
  • Memory - None
  • Control - Dual CV/Gate
  • Date Produced - 1978 - early '80s
  • Resources & Credits
  • Images from

    Thanks to Magnus Gladen for providing the review.

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