Kawai K4

Released in 1989

The K4 is a digital synth with 16-bit PCM sampled waveforms. It has a five-octave keyboard, and 16-voice polyphony.

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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Kawai K4 replacement keys
Replacement Keys
Aftertouch strip, 61-note
Aftertouch strip, 61-note
$34.95 (Part #4574)
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Battery, 3V lithium
Battery, 3V lithium
$3.95 (Part #4347)
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Button set, complete, Kawai K4
Button set, complete, Kawai K4
$19.95 (Part #4521)
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Clip for keyboard contact board
Clip for keyboard contact board
$0.75 (Part #4348)
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Contact strip, 5-note
Contact strip, 5-note
$12.95 (Part #4528)
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Contact strip, 7-note
Contact strip, 7-note
$16.95 (Part #4527)
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Contact strip, single note
Contact strip, single note
$7.95 (Part #4529)
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Display, Kawai
Display, Kawai
$34.95 (Part #4523)
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IC, 4556 dual op amp
IC, 4556 dual op amp
$2.95 (Part #6858)
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IC, 4558 dual op amp
IC, 4558 dual op amp
$2.95 (Part #3387)
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IC, 6522 interface adapter
IC, 6522 interface adapter
$9.95 (Part #1786)
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IC, 74HC00 quad 2-input NAND gate
IC, 74HC00 quad 2-input NAND gate
$1.95 (Part #8391)
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IC, 74HC02 NOR gate
IC, 74HC02 NOR gate
$1.95 (Part #9211)
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IC, 74HC04 hex buffer
IC, 74HC04 hex buffer
$2.95 (Part #2272)
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IC, 74HC08 quadruple 2-input AND gate
IC, 74HC08 quadruple 2-input AND gate
$2.95 (Part #5178)
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IC, 74HC174 flip-flop
IC, 74HC174 flip-flop
$2.95 (Part #4267)
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IC, 74LS03 quad 2-input NAND gate
IC, 74LS03 quad 2-input NAND gate
$2.95 (Part #8129)
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IC, 74LS138 decoder/demultiplexer
IC, 74LS138 decoder/demultiplexer
$3.95 (Part #3251)
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IC, 74LS174 flip-flop
IC, 74LS174 flip-flop
$2.95 (Part #3149)
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IC, D43256 memory chip
IC, D43256 memory chip
$10.95 (Part #4337)
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Key bushing, rubber
Key bushing, rubber
$1.95 (Part #4269)
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Key contact boards, Kawai
Key contact boards, Kawai
$56.95 (Part #4525)
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Key return springs, package of 10
Key return springs, package of 10
$4.95 (Part #KEYSPBX)
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Keybed cushion, 61-note
Keybed cushion, 61-note
For upper cushion (keys press down on this)
$10.95 (Part #4795)
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Keyboard interface board, Kawai
Keyboard interface board, Kawai
$19.95 (Part #4516)
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Main board, Kawai K4
Main board, Kawai K4
$139.95 (Part #2260)
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Memory card, 16k SRAM
Memory card, 16k SRAM
$39.95 (Part #SRAM16)
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Memory card, 32k SRAM
Memory card, 32k SRAM
$74.95 (Part #SRAM32)
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Panel board, Kawai K4
Panel board, Kawai K4
$29.95 (Part #4522)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Headphones
$10.95 (Part #4178)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Outputs, Hold Pedal
$12.95 (Part #4546)
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Pitch bend/mod wheel assembly, Kawai
Pitch bend/mod wheel assembly, Kawai
$34.95 (Part #4517)
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Pitch bend/mod wheel, Kawai
Pitch bend/mod wheel, Kawai
$8.95 (Part #1398)
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Power adapter, 12VDC, 500mA
Power adapter, 12VDC, 500mA
$19.95 (Part #4573)
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Power inlet jack
Power inlet jack
$6.95 (Part #3062)
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Power switch, rocker type
Power switch, rocker type
$11.95 (Part #1354)
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Pushbutton tact switches, pkg of 10
Pushbutton tact switches, pkg of 10
$11.95 (Part #4572X)
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Screws, pkg of 10
Screws, pkg of 10
$6.95 (Part #2202)
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Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For Value
$16.95 (Part #4744)
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Slide potentiometer, 10KBx2, 30mm
Slide potentiometer, 10KBx2, 30mm
For Volume
$16.95 (Part #4743)
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Slider knob, Kawai
Slider knob, Kawai
$3.95 (Part #4520)
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Stop ring, pitch wheel spring
Stop ring, pitch wheel spring
$2.95 (Part #7697)
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Style 04W key, black note
Style 04W key, black note
$9.95 (Part #K04WBL)
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Style 04W key, note A
Style 04W key, note A
$10.95 (Part #K04WA)
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Style 04W key, note B or E
Style 04W key, note B or E
$10.95 (Part #K04WBE)
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Style 04W key, note C or F
Style 04W key, note C or F
$10.95 (Part #K04WCF)
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Style 04W key, note D
Style 04W key, note D
$10.95 (Part #K04WD)
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Style 04W key, note G
Style 04W key, note G
$10.95 (Part #K04WG)
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Style 04W key, top C note
Style 04W key, top C note
$19.95 (Part #K04WC8)
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Value slider assembly, Kawai
Value slider assembly, Kawai
$19.95 (Part #4519)
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Volume slider assembly, Kawai
Volume slider assembly, Kawai
$21.95 (Part #4518)
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