MATRIXSYNTH: Yamaha CS15D Analogue Mono Synth SN 1060

Sunday, February 07, 2021

Yamaha CS15D Analogue Mono Synth SN 1060

via this auction

"Closely related to the CS15, featuring the same twin oscillators, VCF chips and ADSR. Key difference is that the CS15D has the first voice assigned to preset sounds, and the second either presets or Manual. The manual setting of voice 2 combines with the presets on voice one can give some great effects. The case is also far more robust than the CS15, featuring wood end cheeks.

This one is in really nice condition. The end cheeks are pretty much perfect and there is very few imperfections in the front panel paintwork. There are some little lumps in the paint on the top surface (one picture tries to show these) but these really are minor and you only notice when looking up close.

It works fine in all modes and has only minor crackles when the Oscillator mixer slider, or volume control are operated while playing. All other controls are pretty much silent. I made some repairs to the power supply board and replaced a few of the signal line capacitors a few years ago and I have also swapped the Japanese transformer for a 230v one (professionally done, I'm an electronic engineer)."

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