Yamaha DX9
Digital programmable algorithm synthesizer


Yamaha DX9

1983

It came out in 1983 together with the DX7 representing a less expensive alternative, for those seeking a full synthesizer below the 1.000$ point.

Using the same shell of the bigger brother, it simply cuts lots of the functionalities of the 6op DX7 just for a cheaper price back then. Unlike later 4op synths, there are no features to compensate the reduction of capabilites.

Moreover, as the keyboard is not velocity sensitive, todays is considered one of the worst entries in the FM family. That also means that it can be easily found below 100€.



Technical specs

Keyboard

61 keys

Sound source

FM tone generator (4 operators, 8 algorithms)

Simultaneous note output

Polyphonic: 16 notes
Monophonic: 1 note

Memory capacity

Voice memory: 1 bank x 20 voices

Connection terminals and interfaces

Output (unbalanced)
Output Phones (phone jack)
Control jack: foot switch, foot control
Cassette
Breath control
MIDI IN, MIDI OUT, MIDI THRU

Dimensions and weight

101.8w x 10.2h x 32.9d (mm) / 40” x 4” x 13”
12.4Kg / 27.4lbs



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