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Roland A-50

Released in 1989

The A-50 is a 76-note MIDI controller which responds to velocity and polyphonic aftertouch.

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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AC power socket
AC power socket
$4.95 (Part #3022)
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Battery, 3V lithium
Battery, 3V lithium
$3.95 (Part #4347)
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Bender assembly, Roland
Bender assembly, Roland
$49.95 (Part #1153)
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Bender frame, Roland
Bender frame, Roland
$14.95 (Part #3914)
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Bender lever, Roland
Bender lever, Roland
$21.95 (Part #4955)
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Bender plate, Roland
Bender plate, Roland
$15.95 (Part #3902)
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Bender rubber stop
Bender rubber stop
$1.95 (Part #3553)
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Button, black with LED window, Roland
Button, black with LED window, Roland
$5.95 (Part #4634)
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Button, black without LED window, Roland
Button, black without LED window, Roland
$5.95 (Part #4633)
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Button, gray with LED window, Roland
Button, gray with LED window, Roland
$4.95 (Part #1150)
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Contact strip, 12-note
Contact strip, 12-note
$10.95 (Part #4156)
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Contact strip, 4-note
Contact strip, 4-note
$6.95 (Part #4157)
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Cover plate, voltage selector, Roland
Cover plate, voltage selector, Roland
$4.95 (Part #9891)
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Display, Roland
Display, Roland
$74.95 (Part #1152)
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End panel, left, Roland
End panel, left, Roland
$32.95 (Part #9894)
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End panel, right, Roland
End panel, right, Roland
$26.95 (Part #9893)
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IC, 4051 multiplexer chip
IC, 4051 multiplexer chip
$2.95 (Part #4319)
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IC, 62256BLP-10 SRAM memory chip
IC, 62256BLP-10 SRAM memory chip
$6.95 (Part #5190)
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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, 74HC04 hex buffer
IC, 74HC04 hex buffer
$2.95 (Part #2272)
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IC, 74HC138 3 to 8 multiplexer
IC, 74HC138 3 to 8 multiplexer
$1.95 (Part #8125)
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IC, 74HC32 quad logic gate
IC, 74HC32 quad logic gate
$2.95 (Part #5246)
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IC, 74HC373 octal D latch
IC, 74HC373 octal D latch
$2.95 (Part #8191)
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IC, 74HC374 octal D flip-flop
IC, 74HC374 octal D flip-flop
$1.95 (Part #9484)
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IC, 74HC74 dual flip-flop
IC, 74HC74 dual flip-flop
$2.95 (Part #9912)
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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, C4570HA dual op amp, SIP
IC, C4570HA dual op amp, SIP
$3.95 (Part #6624)
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IC, HM6116ASP-12 or MB8416A SRAM chip
IC, HM6116ASP-12 or MB8416A SRAM chip
$7.95 (Part #7115)
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IC, TC40H000P quad NAND gate
IC, TC40H000P quad NAND gate
$8.95 (Part #3398)
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IC, TC40H032 quad 2-input OR gate
IC, TC40H032 quad 2-input OR gate
$5.95 (Part #2659)
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Jack board, MIDI, Roland
Jack board, MIDI, Roland
$39.95 (Part #9871)
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Jack board, Roland
Jack board, Roland
$44.95 (Part #9872)
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Key contact board, 24-note (Low), Roland
Key contact board, 24-note (Low), Roland
$29.95 (Part #8396)
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Key contact board, 24-note (Mid), Roland
Key contact board, 24-note (Mid), Roland
$29.95 (Part #8394)
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Key contact board, 28-note (High), Roland
Key contact board, 28-note (High), Roland
$34.95 (Part #8395)
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Key return spring, for black keys
Key return spring, for black keys
$0.75 (Part #KEYSPT)
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Key return spring, for white keys
Key return spring, for white keys
$0.75 (Part #KEYSPS)
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Main board A, Roland A-50
Main board A, Roland A-50
$89.95 (Part #9876)
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Main board B, Roland A-50
Main board B, Roland A-50
$89.95 (Part #9873)
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Memory card board, Roland
Memory card board, Roland
$19.95 (Part #9875)
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Memory card holder, Roland
Memory card holder, Roland
$9.95 (Part #4947)
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Panel board, left, Roland A-50
Panel board, left, Roland A-50
$59.95 (Part #9877)
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Panel board, right, Roland A-50
Panel board, right, Roland A-50
$29.95 (Part #9874)
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Pedal, damper-style
Pedal, damper-style
$34.95 (Part #VFP115)
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Phone jack, 1/4-inch, 4-pin PCB mount
Phone jack, 1/4-inch, 4-pin PCB mount
For all jacks
$10.95 (Part #4177)
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Pitch bend/mod wheel assembly, Roland
Pitch bend/mod wheel assembly, Roland
$39.95 (Part #9878)
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Pitch bend/mod wheel frame, Roland
Pitch bend/mod wheel frame, Roland
$9.95 (Part #9096)
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Pitch bend/mod wheel, Roland
Pitch bend/mod wheel, Roland
$7.95 (Part #9097)
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Potentiometer, 100KB rotary with center tap
Potentiometer, 100KB rotary with center tap
For pitch bend wheel, bender
$26.95 (Part #4952)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For mod wheel
$8.95 (Part #1089)
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Power cord, IEC
Power cord, IEC
$7.95 (Part #PC)
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Power supply assembly, Roland
Power supply assembly, Roland
$74.95 (Part #9892)
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Power switch, rocker type
Power switch, rocker type
$6.95 (Part #4289)
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Pushbutton tact switches, pkg of 10
Pushbutton tact switches, pkg of 10
$11.95 (Part #4572X)
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Rubber foot, square, 6mm tall
Rubber foot, square, 6mm tall
$2.95 (Part #7680)
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Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For all sliders
$17.95 (Part #4682)
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Slider knob, Roland
Slider knob, Roland
$6.95 (Part #1135)
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Spring for bender
Spring for bender
For modulation
$3.95 (Part #4957)
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Spring for bender/joystick
Spring for bender/joystick
$1.95 (Part #4956)
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Style 28W key, black note
Style 28W key, black note
$9.95 (Part #K28WBL)
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Style 28W key, bottom E note
$16.95 (Part #K28WEB)
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Style 28W key, note A
Style 28W key, note A
$10.95 (Part #K28WA)
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Style 28W key, note B or E
Style 28W key, note B or E
$10.95 (Part #K28WBE)
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Style 28W key, note C or F
Style 28W key, note C or F
$10.95 (Part #K28WCF)
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Style 28W key, note D
Style 28W key, note D
$10.95 (Part #K28WD)
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Style 28W key, note G
Style 28W key, note G
$10.95 (Part #K28WG)
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Style 28W key, top G note
$16.95 (Part #K28WGT)
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Transistor, 2SC1740
Transistor, 2SC1740
$1.95 (Part #7502)
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Voltage regulator, 78M12
Voltage regulator, 78M12
$3.95 (Part #2147)
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Voltage regulator, 79M12
Voltage regulator, 79M12
$3.95 (Part #2028)
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