Another step in making capable synthesis available to the consumer public, the DX21 was released in 1985, improving upon the 4op FM technology first found in the DX9.
699£ got you somewhat what the DX5 was for the original DX7: sound features comparable to having two DX9 engines stacked (with split and layer capabilities), better memory, and a chorus unit. Velocity sensitivity was also available via MIDI input. All in a more compact package, with full MIDI implementation and better overall controls.
Praised by the critics for being a well-thought machine and not just a cut on features of previous models, the price tag made it another success for Yamaha in the 80s.
|FM tone generator (4 operators x A-B, 8 algorithms)|
|Simultaneous note output|
|Polyphonic: single 8 / dual 4 / split 4+4|
|Monophonic: single 1 / dual 1 / split 1+1|
|32 voice internal RAM (alterable)|
|32 performance internal RAM (alterable)|
|128 voice ROM (reading only)|
|Connection terminals and interfaces|
|Output MIX/A, Output B (mono phone jack)|
|Output Phones (mono phone jack)|
|Control jack: foot switch, foot controller|
|MIDI IN, MIDI OUT, MIDI THRU|
|Dimensions and weight|
|909w x 82h x 270d (mm) / 35.8” x 3.2” x 10.6”|
|8Kg / 17.6lbs|
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