Yamaha DX7
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The Yamaha DX7 is a synthesizer manufactured by the Yamaha Corporation from 1983 to 1989. It was the first successful digital synthesizer and is one of the best-selling synthesizers in history, selling more than 200,000 units.
In the early 1980s,... Wikipedia
Release date: 1983
Aftertouch expression: Yes (channel)
Hardware: YM21280 (OPS) operator chip; YM21290 (EGS) envelope generator
Keyboard: 61-note with velocity; and aftertouch sensitivity
Left-hand control: pitch-bend and modulation wheels
Manufacturer: Yamaha
Oscillator: 6 digital sine wave operators per voice, 32 patching algorithms