“It was working till a week ago. Then the buttons became somewhat unresponsive. I’ve opened it to replace the battery and when it came on since. It now shows no life with either batteries or psu. Sold for spares/faulty – no turns.
Here are the details:
Modded Korg Poly 800 Analogue Vintage Synthesizer.
PSU is not included.
Mods:
Filter cutoff & resonance knobs
Sysex chip for enabling sysex updates through midi
Internal battery for memory” Click here to visit listing on eBay