MATRIXSYNTH: Yamaha DX7s FM Synth SN OX01005

Monday, February 12, 2018

Yamaha DX7s FM Synth SN OX01005

via this auction

"The synth is in very good vintage condition. Clean, with minimal cosmetic wear for a synth of this age. Mostly, just stand rash on the bottom, and a few small scratches and dings as expected. All keys, buttons, sliders, and wheels work. Aftertouch works. All indicator lights work. Output and headphone jacks work. Sustain pedal input works. MIDI in and out works. No known issues, other than the fact that it’s missing (2) rubber feet on the bottom, and few small hairline cracks in the plastic to the right of the keybed. See photos for more detail.

The original battery (which was soldered to the circuit board) was replaced a few years ago with a new battery and a battery holder, which will make replacing the battery in the future a snap—no soldering required! (though, the original battery lasted 30+ years, mind you!)

The power switch recently failed, so I replaced it with an OEM switch from Yamaha. This is a common failure for a synth of this age. The new switch should provide years of faithful service!"

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