Generalmusic (GEM) S3

The S3 is a 76-note wavetable synthesizer.

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.

Generalmusic (GEM) S3 replacement keys
Replacement Keys
AC power socket
AC power socket
$7.95 (Part #2024)
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Battery, 3V lithium
Battery, 3V lithium
$7.95 (Part #4425)
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Button set for keypad, Generalmusic
Button set for keypad, Generalmusic
$19.95 (Part #8080)
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Button, Enter/Escape, GEM
Button, Enter/Escape, GEM
$7.95 (Part #2023)
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Button, large with LED window, GEM
Button, large with LED window, GEM
$2.95 (Part #2014)
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Button, small, GEM
Button, small, GEM
$2.95 (Part #2013)
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Button, triangular, GEM
Button, triangular, GEM
$2.95 (Part #8079)
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Circuit board 315053, Generalmusic
Circuit board 315053, Generalmusic
$29.95 (Part #8084)
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Contact spring holder, Generalmusic
Contact spring holder, Generalmusic
$1.95 (Part #8082)
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Diode, 1N4148
Diode, 1N4148
$0.95 (Part #3788)
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Disk drive, 3.5-inch
Disk drive, 3.5-inch
$59.95 (Part #8093)
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Display surround, GEM
Display surround, GEM
$14.95 (Part #8095)
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Display, with inverter board, Generalmusic
Display, with inverter board, Generalmusic
$89.95 (Part #8092)
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Encoder knob, Generalmusic
Encoder knob, Generalmusic
$10.95 (Part #8081)
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End cap, left, GEM
End cap, left, GEM
$21.95 (Part #8098)
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End cap, right, GEM
End cap, right, GEM
$21.95 (Part #8097)
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Headphone jack assembly, Generalmusic
Headphone jack assembly, Generalmusic
$14.95 (Part #8099)
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IC, 555 timer
IC, 555 timer
$2.95 (Part #2581)
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IC, 6N138 optocoupler
IC, 6N138 optocoupler
$2.95 (Part #2892)
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IC, 74AC138 demultiplexer
IC, 74AC138 demultiplexer
$2.95 (Part #1100)
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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, 74HC175 flip-flop
IC, 74HC175 flip-flop
$1.95 (Part #1696)
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IC, 74HC32 quad logic gate
IC, 74HC32 quad logic gate
$2.95 (Part #5246)
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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, LM311 comparator
IC, LM311 comparator
$2.95 (Part #2560)
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IC, LM324N quad op amp
IC, LM324N quad op amp
$2.95 (Part #3715)
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IC, LM339N quad comparator
IC, LM339N quad comparator
$2.95 (Part #2733)
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IC, TL074 op amp
IC, TL074 op amp
$2.95 (Part #3714)
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Jack board, Generalmusic
Jack board, Generalmusic
$69.95 (Part #8077)
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Key bushing, rubber
Key bushing, rubber
$0.35 (Part #4344)
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Key contact board, 32-note, GEM
Key contact board, 32-note, GEM
$49.95 (Part #8075)
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Key contact board, 44-note, GEM
Key contact board, 44-note, GEM
$56.95 (Part #8074)
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Key return spring
Key return spring
$0.95 (Part #KEYSP3)
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Keybed circuit board, GEM
Keybed circuit board, GEM
$39.95 (Part #8072)
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Keybed circuit board, GEM
Keybed circuit board, GEM
$29.95 (Part #8073)
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Knob, rotary, GEM
Knob, rotary, GEM
$3.95 (Part #2019)
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Main board, GEM S3
Main board, GEM S3
$109.95 (Part #8076)
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Panel board, GEM
Panel board, GEM
$49.95 (Part #8071)
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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
$7.95 (Part #4177)
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Pitch bend or mod wheel, GEM
Pitch bend or mod wheel, GEM
$9.95 (Part #8094)
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Pitch bend wheel spring, Generalmusic
Pitch bend wheel spring, Generalmusic
$1.95 (Part #8086)
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Pitch bend/mod wheel assembly, Generalmusic
Pitch bend/mod wheel assembly, Generalmusic
$19.95 (Part #8083)
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Pitch bend/mod wheel panel, GEM
Pitch bend/mod wheel panel, GEM
$21.95 (Part #8096)
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Power supply board, Generalmusic
Power supply board, Generalmusic
$39.95 (Part #8078)
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Power switch, rocker type
Power switch, rocker type
$6.95 (Part #6010)
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Pushbutton tact switches, pkg of 10
Pushbutton tact switches, pkg of 10
$11.95 (Part #4572X)
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Relay, 12V
Relay, 12V
$9.95 (Part #4628)
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Ribbon cable, 10-inch, 16 pin
Ribbon cable, 10-inch, 16 pin
Keybed to jack board
$6.95 (Part #8089)
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Ribbon cable, 11-inch, 12 pin
Ribbon cable, 11-inch, 12 pin
Keybed to jack board
$8.95 (Part #8100)
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Ribbon cable, 14-inch, 16-pin
Ribbon cable, 14-inch, 16-pin
Main board to display
$7.95 (Part #3868)
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Ribbon cable, 2-inch, 20-pin
Ribbon cable, 2-inch, 20-pin
Connects keybed PCBs
$6.95 (Part #4193)
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Ribbon cable, 2.5-inch, 9 pin.
Ribbon cable, 2.5-inch, 9 pin.
Power supply to main board
$6.95 (Part #8091)
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Ribbon cable, 20-inch, 34 pin
Ribbon cable, 20-inch, 34 pin
Main board to disk drive, main board to panel board
$8.95 (Part #8088)
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Ribbon cable, 5-inch, 16 pin
Ribbon cable, 5-inch, 16 pin
Main board to jack board
$6.95 (Part #8087)
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Ribbon cable, 7.5-inch, 34-pin
Ribbon cable, 7.5-inch, 34-pin
Main board to jack board
$9.95 (Part #4143)
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Ribbon cable, 8-inch, 12 pin
Ribbon cable, 8-inch, 12 pin
Panel board to jack board
$7.95 (Part #8090)
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Slide potentiometer, 10KBx2, 30mm
Slide potentiometer, 10KBx2, 30mm
(Stem needs to be clipped to 7mm)
$19.95 (Part #3034)
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Slider knob, GEM
Slider knob, GEM
$5.95 (Part #2017)
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Spring stop ring, for pitch wheel
Spring stop ring, for pitch wheel
$0.95 (Part #8085)
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Style 109W key, black note
$9.95 (Part #K109WBL)
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Style 109W key, bottom E note
$19.95 (Part #K109WEB)
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Style 109W key, note A
$10.95 (Part #K109WA)
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Style 109W key, note B
$10.95 (Part #K109WB)
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Style 109W key, note C
$10.95 (Part #K109WC)
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Style 109W key, note D
$10.95 (Part #K109WD)
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Style 109W key, note E
$10.95 (Part #K109WE)
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Style 109W key, note F
$10.95 (Part #K109WF)
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Style 109W key, note G
$10.95 (Part #K109WG)
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Style 109W key, top G note
$19.95 (Part #K109WGT)
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Voltage regulator, 7805
Voltage regulator, 7805
$2.95 (Part #2256)
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Voltage regulator, 7905
Voltage regulator, 7905
$2.95 (Part #2255)
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