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Yamaha S90 88-Key Keyboard/Synthesizer - $625 (Shaw)
make / manufacturer:
Yamah
model name / number:
S90
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Condition:
* Likely needs internal servicing (ribbon cable reseat, battery replacement, or firmware reflash).
* On the initial boot up, screen does not fully initialize — Shows a “System Down / Unregistered Interrupt” error
* Takes around 6-8 minutes to warm up.
* After warm up, it’s fully functional and still sounds great!
* All keys, controls, and jacks are intact.
* Physically in great shape for its age.
Includes:
* Original Yamaha power cable
* Double braced keyboard X-stand
* Sustain pedal
* M-Audio AV32 Speakers
Price:
$625 — open to negotiation
This is being sold AS-IS.
Why You Might Want It:
* Perfect project for a synth tech or electronics hobbyist
* Still sought after for its keyboard action and sound engine once fully repaired
* Could be parted out (keybed, boards, knobs, jacks) for good value
Pickup in: Shaw, DC
Cash or Venmo preferred.
Message me if you’re interested or have questions.