Yamaha CS-5

Yamaha CS-5 Image

The CS-5 may be a lower-end CS series synthesizer from Yamaha but it still has all you need for vintage analog bass and synth effects at a very affordable price! The CS-5 is a single-oscillator monophonic analog synthesizer with classic filter, envelope and modulation controls. It features 37 full-sized keys, a multi-mode 12 dB/Oct resonant filter, an LFO with sample and hold, and an external audio input you can route through the VCF or VCA sections. The CS-5 is a very flexible and modulate-able analog synth that is quite capable of warm analog bass and bubbly synth effects! The absence of patch storage, MIDI and velocity are just reminders that the CS-5 is old - it's Vintage! It's been used by Siouxsie and the Banshees, Depeche Mode, Richard Barbieri and the Sneaker Pimps.

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55 Visitor comments
Dave H
October 30, 2010 @ 8:40 am
I had this same problem when I first bought mine. There is nothing wrong with it at all. Don't take it apart the synth is just set wrong.

Firstly on the top right hand side (amplifier section) there is an initial level control - that is probably all the way up - make sure that is at zero as this is what produces the constant drone.

Secondly make sure the EG depth control just below the initial level is at maximum as this allows the envelope to trigger the notes. Now when you play it you can hear the notes accroding to the way you have set the amplifier section and the constant drone should be gone.

Let me know if this works for you.
Easterner
October 20, 2010 @ 1:04 am
I have a similar issue to Eddie C. I got a second-hand CS-5 recently and when powered on, a note is playing. Basically it seems like the gate is always open. Playing any new note will leave that note on. Pressing keys leads to the envelope triggering. When keys aren't pressed, the note plays as if there were no envelope. Any ideas? I haven't opened it up to clean the inside yet...
Calle
October 14, 2010 @ 12:44 pm
...maybe theres a glitch in the powersupply connection ??
Calle
October 14, 2010 @ 12:41 pm
by ADSR I mean of course E(nvelope) G(enerator)
Calle
October 14, 2010 @ 12:39 pm
eddie c >>> turn the VCA initial level down to nothing, then adjust your ADSR. Set the VCF to LPF (lopass) nad feet to 64´. any differance??
 
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  • Check Prices on eBay
  • The link above will take you to a 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
  • Oscillators - 1 VCO with pulse or sawtooth waveforms and noise-gen
  • LFO - Yes, with sine, sawtooth, sample and hold
  • Filter - 1 filter: 12dB/oct High pass or Low pass; 6dB/oct band-pass
  • Effects - None
  • Keyboard - 37 keys
  • Memory - None
  • Control - CV / Gate
  • Date Produced - 1978-83
  • Resources & Credits
  • Images from Mark Smith.

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