Yamaha DX9

Released in 1983

The DX9 is a 4-operator FM synth with 8 algorithms - a scaled-down version of its sibling, the 6-operator 32-algorithm DX7. As such, the DX9 lacks the complexity of sounds that the DX7 can produce. It has a 61-note keyboard.

Synth
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We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.

This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.

We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.

Yamaha DX9 replacement keys
Replacement Keys
Battery, 3V lithium
Battery, 3V lithium
$7.95 (Part #4311)
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Bridge rectifier, S4VB20
Bridge rectifier, S4VB20
$7.95 (Part #3789)
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Button, Yamaha
Button, Yamaha
$0.95 (Part #3003)
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Cheek block, right, Yamaha
Cheek block, right, Yamaha
$9.95 (Part #3018)
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Contact strip, 61-note
Contact strip, 61-note
$39.95 (Part #4537)
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Display assembly, Yamaha
Display assembly, Yamaha
$34.95 (Part #4993)
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Display, Yamaha
Display, Yamaha
$34.95 (Part #3965)
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End cap, left, Yamaha
End cap, left, Yamaha
$34.95 (Part #2310)
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End cap, right, Yamaha
End cap, right, Yamaha
$34.95 (Part #2154)
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Fuse board, Yamaha
Fuse board, Yamaha
$15.95 (Part #2174)
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Headphone/breath controller assembly, Yamaha
Headphone/breath controller assembly, Yamaha
$24.95 (Part #4997)
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Hinge, Yamaha
Hinge, Yamaha
$2.95 (Part #3015)
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IC, 4016 quad analog switch
IC, 4016 quad analog switch
$2.95 (Part #3302)
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IC, 4066 quad bilateral switch
IC, 4066 quad bilateral switch
$2.95 (Part #3723)
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IC, 4069 hex inverter
IC, 4069 hex inverter
$2.95 (Part #3994)
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IC, 4558 dual op amp
IC, 4558 dual op amp
$2.95 (Part #3387)
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IC, 7417 hex buffer
IC, 7417 hex buffer
$3.95 (Part #1833)
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IC, 74LS04 hex inverter
IC, 74LS04 hex inverter
$2.95 (Part #3147)
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IC, 74LS138 decoder/demultiplexer
IC, 74LS138 decoder/demultiplexer
$3.95 (Part #3251)
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IC, 74LS14N hex Schmitt trigger
IC, 74LS14N hex Schmitt trigger
$2.95 (Part #4420)
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IC, 74LS245 bus transceiver
IC, 74LS245 bus transceiver
$2.95 (Part #3395)
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IC, 74LS32N quad gate
IC, 74LS32N quad gate
$2.95 (Part #4262)
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IC, 74LS374 flip-flop
IC, 74LS374 flip-flop
$2.95 (Part #4215)
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IC, 74LS74 dual flip-flop
IC, 74LS74 dual flip-flop
$2.95 (Part #3396)
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IC, M58990P A/D converter
IC, M58990P A/D converter
$26.95 (Part #3924)
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IC, PC900 optocoupler
IC, PC900 optocoupler
$2.95 (Part #3704)
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IC, TC40H138 decoder/demultiplexer
IC, TC40H138 decoder/demultiplexer
$14.95 (Part #2661)
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IC, TL072 op amp
IC, TL072 op amp
$2.95 (Part #3388)
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Jack board, Yamaha
Jack board, Yamaha
$44.95 (Part #4999)
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Jack board, Yamaha DX9
Jack board, Yamaha DX9
$32.95 (Part #1885)
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Key contact board, 25-note (Low), Yamaha
Key contact board, 25-note (Low), Yamaha
$24.95 (Part #4540)
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Key contact board, 36-note, Yamaha
Key contact board, 36-note, Yamaha
$34.95 (Part #4539)
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Key return spring, Yamaha
Key return spring, Yamaha
$0.75 (Part #KEYSPX)
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Key return springs, package of 10
Key return springs, package of 10
$4.95 (Part #KEYSPXX)
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Main board, Yamaha DX9
Main board, Yamaha DX9
$89.95 (Part #1878)
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Mod wheel assembly, Yamaha
Mod wheel assembly, Yamaha
$19.95 (Part #3020)
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Music rack slot, Yamaha
Music rack slot, Yamaha
$3.95 (Part #4998)
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Music rest, Yamaha
Music rest, Yamaha
$34.95 (Part #1735)
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Panel board, left, Yamaha DX9
Panel board, left, Yamaha DX9
$44.95 (Part #1887)
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Panel board, right, Yamaha DX9
Panel board, right, Yamaha DX9
$29.95 (Part #1888)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Output, Sustain, Portamento
$9.95 (Part #4546)
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Phone jack, mini
Phone jack, mini
For Breath Controller
$5.95 (Part #1840)
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Pitch bend wheel assembly, Yamaha
Pitch bend wheel assembly, Yamaha
$19.95 (Part #3019)
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Pitch bend/mod wheel panel, Yamaha
Pitch bend/mod wheel panel, Yamaha
$19.95 (Part #3017)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For mod wheel
$9.95 (Part #3479)
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Potentiometer, 10KB rotary with center tap
Potentiometer, 10KB rotary with center tap
For pitch bend wheel
$9.95 (Part #3713)
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Power supply board, Yamaha
Power supply board, Yamaha
$44.95 (Part #3005)
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Power switch and wiring
Power switch and wiring
$9.95 (Part #3009)
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Pushbutton tact switch, 7.3mm, 4-pin
Pushbutton tact switch, 7.3mm, 4-pin
$2.95 (Part #4377)
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Pushbutton tact switches, set of 10
Pushbutton tact switches, set of 10
$21.95 (Part #4377X)
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Rubber foot, 8mm tall
Rubber foot, 8mm tall
$1.95 (Part #4589)
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Slide potentiometer, 10KAx2, 30mm
Slide potentiometer, 10KAx2, 30mm
For Volume
$16.95 (Part #3337)
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Slide potentiometer, 10KAx2, 30mm
Slide potentiometer, 10KAx2, 30mm
For Volume
$16.95 (Part #3337)
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Slide potentiometer, 10KBx2, 30mm
Slide potentiometer, 10KBx2, 30mm
For Data
$19.95 (Part #3034)
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Slider knob, Yamaha
Slider knob, Yamaha
$6.95 (Part #4591)
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Spring for pitch bend wheel
Spring for pitch bend wheel
$3.95 (Part #4028)
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Style 24U key, black note
$9.95 (Part #K24UBL)
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Style 24U key, note A
$10.95 (Part #K24UA)
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Style 24U key, note B or E
$10.95 (Part #K24UBE)
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Style 24U key, note C or F
$10.95 (Part #K24UCF)
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Style 24U key, note D
$10.95 (Part #K24UD)
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Style 24U key, note G
$10.95 (Part #K24UG)
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Style 24U key, top C note
$16.95 (Part #K24UC8)
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Transformer, Yamaha, 100V mains
Transformer, Yamaha, 100V mains
$44.95 (Part #6856)
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Transformer, Yamaha, 120V mains
Transformer, Yamaha, 120V mains
$44.95 (Part #3004)
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Voltage regulator, 7805
Voltage regulator, 7805
$2.95 (Part #2256)
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Voltage regulator, 7815
Voltage regulator, 7815
$3.95 (Part #2321)
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Voltage regulator, 7915
Voltage regulator, 7915
$3.95 (Part #3415)
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