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Roland KR-4300

Released in 1995

The KR-4300 is an 88-note digital home piano with 28-note polyphony and a 45W sound system.

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.

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Button, brown, without LED window, Roland
Button, brown, without LED window, Roland
$5.95 (Part #6286)
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Button, gray, with LED window, Roland
Button, gray, with LED window, Roland
$5.95 (Part #6285)
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Button, ivory, with LED window, Roland
Button, ivory, with LED window, Roland
$9.95 (Part #6459)
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Button, ivory, without LED window, Roland
Button, ivory, without LED window, Roland
$5.95 (Part #6460)
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Button, with LED window, Roland
Button, with LED window, Roland
$5.95 (Part #4476)
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Button, with LED window, Roland
Button, with LED window, Roland
$9.95 (Part #4904)
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Button, without LED window, Roland
Button, without LED window, Roland
$5.95 (Part #4815)
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Button, without LED window, Roland
Button, without LED window, Roland
$6.95 (Part #1455)
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Contact strip, 12-note, Roland
Contact strip, 12-note, Roland
$18.95 (Part #4928)
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Contact strip, 4-note, Roland
Contact strip, 4-note, Roland
$7.95 (Part #4926)
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Contact strip, 8-note, Roland
Contact strip, 8-note, Roland
$9.95 (Part #4927)
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Display, 3-digit LED
Display, 3-digit LED
$14.95 (Part #12318)
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Hammer weight, black key, Roland
Hammer weight, black key, Roland
$16.95 (Part #4921)
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Hammer weight, white key, Roland
Hammer weight, white key, Roland
$16.95 (Part #4920)
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Hammer weights, 88-key set
Hammer weights, 88-key set
$895.95 (Part #5003)
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Hammer weights, octave set
Hammer weights, octave set
$159.95 (Part #3899)
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Key guide, black note
Key guide, black note
$0.55 (Part #5042)
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Key guide, white key
Key guide, white key
$0.65 (Part #5043)
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Keybed cushion, 88-note
Keybed cushion, 88-note
(White keys press down against this)
$12.95 (Part #1129)
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Keybed cushion, 88-note, Roland
Keybed cushion, 88-note, Roland
(Hammer weights strike against this)
$26.95 (Part #3542)
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Keybed cushion, Roland, 88-note
Keybed cushion, Roland, 88-note
(Keys rest against this)
$19.95 (Part #3351)
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Keybed subchassis, 12-note
Keybed subchassis, 12-note
$19.95 (Part #10924)
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Keybed subchassis, 4-note
Keybed subchassis, 4-note
$16.95 (Part #6141)
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Keyboard contact board, 24-note (Low)
Keyboard contact board, 24-note (Low)
$24.95 (Part #4923)
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Keyboard contact board, 32-note (High)
Keyboard contact board, 32-note (High)
$32.95 (Part #4925)
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Keyboard contact board, 32-note (Mid), Roland
Keyboard contact board, 32-note (Mid), Roland
$34.95 (Part #4924)
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MIDI jacks assembly
MIDI jacks assembly
$11.95 (Part #11729)
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Phone jack, 1/4-inch, 4-pin PCB mount
Phone jack, 1/4-inch, 4-pin PCB mount
For Inputs, Outputs
$12.95 (Part #3688)
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Phone jack, 1/4-inch, 5-pin PCB mount
Phone jack, 1/4-inch, 5-pin PCB mount
For Mic
$9.95 (Part #1983)
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Phone jack, 1/4-inch, 7-pin PCB mount
Phone jack, 1/4-inch, 7-pin PCB mount
For Phones
$10.95 (Part #3634)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For Echo
$8.95 (Part #3935)
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Potentiometer, 10KBx2 rotary
Potentiometer, 10KBx2 rotary
For Brilliance
$8.95 (Part #5353)
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Power switch cap, black
Power switch cap, black
$12.95 (Part #3491)
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Power switch, pushbutton
Power switch, pushbutton
$10.95 (Part #3792)
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Pushbutton tact switch, 5mm, 2-pin
Pushbutton tact switch, 5mm, 2-pin
$1.95 (Part #4478)
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Pushbutton tact switches, 5mm, pkg of 10
Pushbutton tact switches, 5mm, pkg of 10
$11.95 (Part #4478X)
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Ribbon cable, 14-wire, 70mm FFC
Ribbon cable, 14-wire, 70mm FFC
For Low-to-Mid key contact boards
$9.95 (Part #7735)
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Ribbon cable, 8-wire, 60mm FFC
Ribbon cable, 8-wire, 60mm FFC
For Mid-to-High key contact boards
$9.95 (Part #8196)
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Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For Reverb
$17.95 (Part #4682)
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Slide potentiometer, 10KB, 30mm with center detent
Slide potentiometer, 10KB, 30mm with center detent
For Balance
$16.95 (Part #1207)
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Slide potentiometer, 10KBx2, 30mm
Slide potentiometer, 10KBx2, 30mm
For Volume
$24.95 (Part #4531)
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Slide switch, 4-position
For Computer
$16.95 (Part #12863)
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Slider knob, Roland
Slider knob, Roland
$6.95 (Part #3661)
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Style 10U key, black note
Style 10U key, black note
$9.95 (Part #K10UBL)
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Style 62U key, bottom A note
Style 62U key, bottom A note
$16.95 (Part #K62UAB)
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Style 62U key, note A
Style 62U key, note A
$10.95 (Part #K62UA)
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Style 62U key, note B
Style 62U key, note B
$10.95 (Part #K62UB)
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Style 62U key, note C
Style 62U key, note C
$10.95 (Part #K62UC)
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Style 62U key, note D
Style 62U key, note D
$10.95 (Part #K62UD)
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Style 62U key, note E
Style 62U key, note E
$10.95 (Part #K62UE)
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Style 62U key, note F
Style 62U key, note F
$10.95 (Part #K62UF)
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Style 62U key, note G
Style 62U key, note G
$10.95 (Part #K62UG)
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Style 62U key, top C note
Style 62U key, top C note
$16.95 (Part #K62UC8)
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Transformer, Roland
Transformer, Roland
$54.95 (Part #1463)
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