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Yamaha DX9

FM Synthesizer

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Yamaha DX9
350.00 street price

DX9 is a 16-voice polyphonic synthesizer based on digital 4-operator FM synthesis. There’s no filter section. VCA features an ADSR envelope. Memory provides with 20 patches.

DX9 was released in 1983 – same year DX7 hit the market. Back then it was launched as a cheap alternative to DX7. The unit featured all the issues DX7 had regarding prommability. The MIDI implementation was still limited as well.

Anyway DX series didn’t have unsuccessful models in it offering quality products capable of amusing digital sounds.

Today DX9 is not an option or solution it was developed to be. DX7 price doesn’t seem to bite so there’s no need in buying DX9. DX100 is worth opting for owing to its peculiar bass sound – a textured daring voice of house music, but DX9 offers a similar set of sounds DX7 does.

Tags: digital synthesizer

Country of origin / production: Japan

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More info
Usage area
Performance Synthesizer 
Usage Design/ Form Factor
With Keys 
Digital (D) 
Multi Timbral Capacity1 part(s)
Tone Generator / Sound Synthesis
Synthesis Method Frequency Modulation (FM)
Oscillator Type DCO (Digitally Controlled Oscillator)
FM Operators4
Waveform/ Spectral form (main generator) Sine
Programs/ Voices/ Timbres
User-defined Single Voice20
Envelope Generator (EG)
LFO: LFO Count1
Arpegiator/ Portamento
MIDI in/ out
Type Synth Action
Velocity Sensitivity No
Number of Keys61
Display type TFT
Built-in controllers
Pitch Bend Wheel 
Modulation Wheel 
Slider/ Drawbar2
External controllers
Breath Controller 
Sustain foot pedal 
Expression foot pedal 
Audio out
Analogue: 1/4" (6.35mm)1
Analogue: 1/4" (6.35mm) headphones preamplified1
Preset Memory Slot/ Wave Expansion Board1
Power Supply Built-in, internal
Power consumption35 W
Height102 mm
Width1018 mm
Depth329 mm
Weight12.4 kg
Case/ body
Production start1983
Production end1987
Production ended

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  • enpdf2.87Mb Yamaha DX9 Owner's Manual