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Yamaha QX1

Released in 1984

The QX1 is an 8-track MIDI sequencer with 8 MIDI Out ports. It saves data to a 5-1/4-inch disk drive

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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Disk drive, 5.25-inch
Disk drive, 5.25-inch
$89.95 (Part #8041)
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Display, Yamaha
Display, Yamaha
$52.95 (Part #8030)
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End cap, left, Yamaha
End cap, left, Yamaha
$24.95 (Part #8035)
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End cap, right, Yamaha
End cap, right, Yamaha
$24.95 (Part #8036)
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Front panel, Yamaha QX1
Front panel, Yamaha QX1
$16.95 (Part #8029)
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IC, 4053 multiplexer switch
IC, 4053 multiplexer switch
$2.95 (Part #3413)
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IC, 7407 hex buffer/driver chip
IC, 7407 hex buffer/driver chip
$2.95 (Part #3397)
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IC, 74LS04 hex inverter
IC, 74LS04 hex inverter
$2.95 (Part #3147)
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IC, 74LS10, 3-input NAND gate
IC, 74LS10, 3-input NAND gate
$2.95 (Part #10682)
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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, 74LS244 buffer/line driver
IC, 74LS244 buffer/line driver
$2.95 (Part #3424)
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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, 74LS373 flip-flop
IC, 74LS373 flip-flop
$3.95 (Part #3051)
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IC, 74LS393 dual binary counter
IC, 74LS393 dual binary counter
$3.95 (Part #5225)
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IC, 74LS74 dual flip-flop
IC, 74LS74 dual flip-flop
$2.95 (Part #3396)
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IC, ADC0804 A/D converter
IC, ADC0804 A/D converter
$14.95 (Part #2710)
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IC, TC40H138 decoder/demultiplexer
IC, TC40H138 decoder/demultiplexer
$18.95 (Part #2661)
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IC, TLP552 optocoupler
IC, TLP552 optocoupler
$4.95 (Part #9845)
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Jack board, Yamaha QX1
Jack board, Yamaha QX1
$39.95 (Part #8040)
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Keypad board, Yamaha QX1
Keypad board, Yamaha QX1
$99.95 (Part #8027)
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Knob, Yamaha
Knob, Yamaha
$7.95 (Part #8039)
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Main board, Yamaha QX1
Main board, Yamaha QX1
$79.95 (Part #8028)
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Music rest mount, black, Yamaha
Music rest mount, black, Yamaha
$3.95 (Part #8000)
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Panel board B (PNB), Yamaha
Panel board B (PNB), Yamaha
$19.95 (Part #8033)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For all jacks
$12.95 (Part #4546)
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Power cord, 2-conductor, non-detachable
Power cord, 2-conductor, non-detachable
$6.95 (Part #4465)
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Power supply board, Yamaha
Power supply board, Yamaha
$59.95 (Part #8034)
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Power switch assembly, Yamaha
Power switch assembly, Yamaha
$14.95 (Part #8038)
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Power switch cap, black, round
Power switch cap, black, round
$7.95 (Part #3102)
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Power switch, pushbutton
Power switch, pushbutton
$10.95 (Part #3792)
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Ribbon cable with choke, 16-pin
Ribbon cable with choke, 16-pin
$12.95 (Part #8042)
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Rubber foot, 3/8-inch tall
Rubber foot, 3/8-inch tall
$1.95 (Part #3127)
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Tempo pot assembly, Yamaha
Tempo pot assembly, Yamaha
$11.95 (Part #8031)
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Transistor, 2SC1815
Transistor, 2SC1815
$2.95 (Part #1943)
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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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