Yamaha DX21

Released in 1985

The DX21 is a 4-operator FM synth with a 61-note keyboard. It has no velocity sensitivity, and is rather like a DX100 but with full-sized keys. It has a built-in chorus effect, and the ability to split and layer programs.

Yamaha DX21
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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.

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Yamaha DX21 replacement keys
Replacement Keys
Battery, 3V lithium
Battery, 3V lithium
$7.95 (Part #4311)
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Button set, Yamaha
Button set, Yamaha
$6.95 (Part #9588)
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Button set, Yamaha
Button set, Yamaha
$6.95 (Part #9589)
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Button set, Yamaha
Button set, Yamaha
$6.95 (Part #9586)
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Button set, Yamaha
Button set, Yamaha
$6.95 (Part #9587)
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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
$59.95 (Part #9717)
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End cap, left, Yamaha
End cap, left, Yamaha
$24.95 (Part #4533)
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End cap, right, Yamaha
End cap, right, Yamaha
$24.95 (Part #4532)
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IC, 4016 quad analog switch
IC, 4016 quad analog switch
$2.95 (Part #3302)
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IC, 4050 hex buffer/converter
IC, 4050 hex buffer/converter
$2.95 (Part #1775)
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IC, 4069 hex inverter
IC, 4069 hex inverter
$2.95 (Part #3994)
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IC, 4069 hex inverter
IC, 4069 hex inverter
$2.95 (Part #3994)
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IC, 74LS14N hex Schmitt trigger
IC, 74LS14N hex Schmitt trigger
$2.95 (Part #4420)
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IC, M58990P A/D converter
IC, M58990P A/D converter
$26.95 (Part #3924)
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IC, TC40H032 quad 2-input OR gate
IC, TC40H032 quad 2-input OR gate
$2.95 (Part #2659)
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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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IC, YM2164 FM sound chip
IC, YM2164 FM sound chip
$31.95 (Part #4547)
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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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Mod wheel assembly, Yamaha
Mod wheel assembly, Yamaha
$19.95 (Part #4587)
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Music rest, Yamaha
Music rest, Yamaha
$34.95 (Part #1735)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Output Mix/A, Sustain, Portamento
$9.95 (Part #4546)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Headphones
$7.95 (Part #4178)
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Phone jack, 1/4-inch, stereo, 9-pin PCB mount
Phone jack, 1/4-inch, stereo, 9-pin PCB mount
For Output B
$9.95 (Part #3410)
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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
$23.95 (Part #4586)
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Pitch bend/mod wheel rubber, Yamaha
Pitch bend/mod wheel rubber, Yamaha
$2.95 (Part #7122)
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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 switch, rocker type
Power switch, rocker type
$5.95 (Part #4289)
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Pushbutton tact switch, 4.3mm, 4-pin
Pushbutton tact switch, 4.3mm, 4-pin
$1.95 (Part #3130)
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Pushbutton tact switch, 4.3mm, 4-pin
Pushbutton tact switch, 4.3mm, 4-pin
$1.95 (Part #3130)
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Pushbutton tact switches, 4.3mm, pkg of 10
Pushbutton tact switches, 4.3mm, pkg of 10
$11.95 (Part #3130X)
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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
$17.95 (Part #1731)
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Slide potentiometer, 10KBx2 with center detent, 30mm
Slide potentiometer, 10KBx2 with center detent, 30mm
For Balance
$17.95 (Part #1730)
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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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Transistor, 2SC1740
Transistor, 2SC1740
$1.95 (Part #7502)
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Transistor, 2SC2555
Transistor, 2SC2555
$3.95 (Part #7998)
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Transistor, 2SC2655
Transistor, 2SC2655
$1.95 (Part #7993)
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Transistor, 2SC3153
Transistor, 2SC3153
$9.95 (Part #2463)
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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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