Generalmusic (GEM) S3
The S3 is a 76-note wavetable synthesizer.

All photos are copyrighted by Syntaur, and may not be used without permission.
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.

Replacement Keys

AC power socket
$7.95 (Part #2024)
Click for details
$7.95 (Part #2024)

Battery, 3V lithium
$7.95 (Part #4425)
Click for details
$7.95 (Part #4425)

Button set for keypad, Generalmusic
$19.95 (Part #8080)
Click for details
$19.95 (Part #8080)

Button, Enter/Escape, GEM
$7.95 (Part #2023)
Click for details
$7.95 (Part #2023)

Button, large with LED window, GEM
$2.95 (Part #2014)
Click for details
$2.95 (Part #2014)

Button, small, GEM
$2.95 (Part #2013)
Click for details
$2.95 (Part #2013)

Button, triangular, GEM
$2.95 (Part #8079)
Click for details
$2.95 (Part #8079)

Circuit board 315053, Generalmusic
$29.95 (Part #8084)
Click for details
$29.95 (Part #8084)

Contact spring holder, Generalmusic
$1.95 (Part #8082)
Click for details
$1.95 (Part #8082)

Diode, 1N4148
$0.95 (Part #3788)
Click for details
$0.95 (Part #3788)

Disk drive, 3.5-inch
$59.95 (Part #8093)
Click for details
$59.95 (Part #8093)

Display surround, GEM
$14.95 (Part #8095)
Click for details
$14.95 (Part #8095)

Display, with inverter board, Generalmusic
$89.95 (Part #8092)
Click for details
$89.95 (Part #8092)

Encoder knob, Generalmusic
$10.95 (Part #8081)
Click for details
$10.95 (Part #8081)

End cap, left, GEM
$21.95 (Part #8098)
Click for details
$21.95 (Part #8098)

End cap, right, GEM
$21.95 (Part #8097)
Click for details
$21.95 (Part #8097)

Headphone jack assembly, Generalmusic
$14.95 (Part #8099)
Click for details
$14.95 (Part #8099)

IC, 555 timer
$2.95 (Part #2581)
Click for details
$2.95 (Part #2581)

IC, 6N138 optocoupler
$2.95 (Part #2892)
Click for details
$2.95 (Part #2892)

IC, 74AC138 demultiplexer
$2.95 (Part #1100)
Click for details
$2.95 (Part #1100)

IC, 74HC00 quad 2-input NAND gate
$1.95 (Part #8391)
Click for details
$1.95 (Part #8391)

IC, 74HC04 hex buffer
$2.95 (Part #2272)
Click for details
$2.95 (Part #2272)

IC, 74HC138 3 to 8 multiplexer
$1.95 (Part #8125)
Click for details
$1.95 (Part #8125)

IC, 74HC175 flip-flop
$1.95 (Part #1696)
Click for details
$1.95 (Part #1696)

IC, 74HC32 quad logic gate
$2.95 (Part #5246)
Click for details
$2.95 (Part #5246)

IC, 74HC374 octal D flip-flop
$1.95 (Part #9484)
Click for details
$1.95 (Part #9484)

IC, 74HC74 dual flip-flop
$2.95 (Part #9912)
Click for details
$2.95 (Part #9912)

IC, LM311 comparator
$2.95 (Part #2560)
Click for details
$2.95 (Part #2560)

IC, LM324N quad op amp
$2.95 (Part #3715)
Click for details
$2.95 (Part #3715)

IC, LM339N quad comparator
$2.95 (Part #2733)
Click for details
$2.95 (Part #2733)

IC, TL074 op amp
$2.95 (Part #3714)
Click for details
$2.95 (Part #3714)

Jack board, Generalmusic
$69.95 (Part #8077)
Click for details
$69.95 (Part #8077)

Key bushing, rubber
$0.35 (Part #4344)
Click for details
$0.35 (Part #4344)

Key contact board, 32-note, GEM
$49.95 (Part #8075)
Click for details
$49.95 (Part #8075)

Key contact board, 44-note, GEM
$56.95 (Part #8074)
Click for details
$56.95 (Part #8074)

Key return spring
$0.95 (Part #KEYSP3)
Click for details
$0.95 (Part #KEYSP3)

Keybed circuit board, GEM
$39.95 (Part #8072)
Click for details
$39.95 (Part #8072)

Keybed circuit board, GEM
$29.95 (Part #8073)
Click for details
$29.95 (Part #8073)

Knob, rotary, GEM
$3.95 (Part #2019)
Click for details
$3.95 (Part #2019)

Main board, GEM S3
$109.95 (Part #8076)
Click for details
$109.95 (Part #8076)

Panel board, GEM
$49.95 (Part #8071)
Click for details
$49.95 (Part #8071)

Phone jack, 1/4-inch, 4-pin PCB mount
For all jacks
$7.95 (Part #4177)
Click for details
For all jacks
$7.95 (Part #4177)

Pitch bend or mod wheel, GEM
$9.95 (Part #8094)
Click for details
$9.95 (Part #8094)

Pitch bend wheel spring, Generalmusic
$1.95 (Part #8086)
Click for details
$1.95 (Part #8086)

Pitch bend/mod wheel assembly, Generalmusic
$19.95 (Part #8083)
Click for details
$19.95 (Part #8083)

Pitch bend/mod wheel panel, GEM
$21.95 (Part #8096)
Click for details
$21.95 (Part #8096)

Power supply board, Generalmusic
$39.95 (Part #8078)
Click for details
$39.95 (Part #8078)

Power switch, rocker type
$6.95 (Part #6010)
Click for details
$6.95 (Part #6010)

Pushbutton tact switches, pkg of 10
$11.95 (Part #4572X)
Click for details
$11.95 (Part #4572X)

Relay, 12V
$9.95 (Part #4628)
Click for details
$9.95 (Part #4628)

Ribbon cable, 10-inch, 16 pin
Keybed to jack board
$6.95 (Part #8089)
Click for details
Keybed to jack board
$6.95 (Part #8089)

Ribbon cable, 11-inch, 12 pin
Keybed to jack board
$8.95 (Part #8100)
Click for details
Keybed to jack board
$8.95 (Part #8100)

Ribbon cable, 14-inch, 16-pin
Main board to display
$7.95 (Part #3868)
Click for details
Main board to display
$7.95 (Part #3868)

Ribbon cable, 2-inch, 20-pin
Connects keybed PCBs
$6.95 (Part #4193)
Click for details
Connects keybed PCBs
$6.95 (Part #4193)

Ribbon cable, 2.5-inch, 9 pin.
Power supply to main board
$6.95 (Part #8091)
Click for details
Power supply to main board
$6.95 (Part #8091)

Ribbon cable, 20-inch, 34 pin
Main board to disk drive, main board to panel board
$8.95 (Part #8088)
Click for details
Main board to disk drive, main board to panel board
$8.95 (Part #8088)

Ribbon cable, 5-inch, 16 pin
Main board to jack board
$6.95 (Part #8087)
Click for details
Main board to jack board
$6.95 (Part #8087)

Ribbon cable, 7.5-inch, 34-pin
Main board to jack board
$9.95 (Part #4143)
Click for details
Main board to jack board
$9.95 (Part #4143)

Ribbon cable, 8-inch, 12 pin
Panel board to jack board
$7.95 (Part #8090)
Click for details
Panel board to jack board
$7.95 (Part #8090)

Slide potentiometer, 10KBx2, 30mm
(Stem needs to be clipped to 7mm)
$19.95 (Part #3034)
Click for details
(Stem needs to be clipped to 7mm)
$19.95 (Part #3034)

Slider knob, GEM
$5.95 (Part #2017)
Click for details
$5.95 (Part #2017)

Spring stop ring, for pitch wheel
$0.95 (Part #8085)
Click for details
$0.95 (Part #8085)

Style 109W key, black note
$9.95 (Part #K109WBL)
Click for details
$9.95 (Part #K109WBL)

Style 109W key, bottom E note
$19.95 (Part #K109WEB)
Click for details
$19.95 (Part #K109WEB)

Style 109W key, note A
$10.95 (Part #K109WA)
Click for details
$10.95 (Part #K109WA)

Style 109W key, note B
$10.95 (Part #K109WB)
Click for details
$10.95 (Part #K109WB)

Style 109W key, note C
$10.95 (Part #K109WC)
Click for details
$10.95 (Part #K109WC)

Style 109W key, note D
$10.95 (Part #K109WD)
Click for details
$10.95 (Part #K109WD)

Style 109W key, note E
$10.95 (Part #K109WE)
Click for details
$10.95 (Part #K109WE)

Style 109W key, note F
$10.95 (Part #K109WF)
Click for details
$10.95 (Part #K109WF)

Style 109W key, note G
$10.95 (Part #K109WG)
Click for details
$10.95 (Part #K109WG)

Style 109W key, top G note
$19.95 (Part #K109WGT)
Click for details
$19.95 (Part #K109WGT)

Voltage regulator, 7805
$2.95 (Part #2256)
Click for details
$2.95 (Part #2256)

Voltage regulator, 7905
$2.95 (Part #2255)
Click for details
$2.95 (Part #2255)