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Oberheim OB-8

Released in 1983

The OB-8 is a wonderful analog synth with 8-note polyphony and two oscillators per voice. It has a switchable 2-pole/4-pole filter, an 8-note arpeggiator, and 120 program storage locations.


There were two versions of keybeds used in the OB-8; early models used a Pratt-Read keybed (K34U keys), while later models used a Matsushita keybed (K32U keys). It's important to determine which model you have before ordering any keybed parts.

Oberheim OB-8
GALLERY
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.

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Battery, 3V lithium
Battery, 3V lithium
$17.95 (Part #4128)
Click for details
Bridge rectifier, KBPC604
Bridge rectifier, KBPC604
$7.95 (Part #11030)
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Bridge rectifier, W04M
Bridge rectifier, W04M
$4.95 (Part #1596)
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Bridge rectifier, WO-02S
Bridge rectifier, WO-02S
$3.95 (Part #5145)
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Clip for keyboard contact board
Clip for keyboard contact board
For later OB-8 with K32U keys
$0.75 (Part #4348)
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Contact strip, 6-note
Contact strip, 6-note
For later OB-8 with K32U keys
$12.95 (Part #4350)
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Contact strip, 7-note
Contact strip, 7-note
For later OB-8 with K32U keys
$15.95 (Part #4349)
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Diode, 1N4148
Diode, 1N4148
$0.95 (Part #3788)
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DIP connector, 16-pin
DIP connector, 16-pin
$5.95 (Part #1926)
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IC, 1458 op amp
IC, 1458 op amp
$2.95 (Part #3685)
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IC, 3080 OTA
IC, 3080 OTA
$8.95 (Part #3298)
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IC, 40109 Lo-to-Hi voltage level shifter
IC, 40109 Lo-to-Hi voltage level shifter
$2.95 (Part #5272)
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IC, 4011 quad gate
IC, 4011 quad gate
$2.95 (Part #3391)
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IC, 4016 quad analog switch
IC, 4016 quad analog switch
$2.95 (Part #3302)
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IC, 40174 flip-flop (replaces 14174)
IC, 40174 flip-flop (replaces 14174)
$2.95 (Part #3305)
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IC, 4028 decoder
IC, 4028 decoder
$2.95 (Part #1945)
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IC, 4051 multiplexer chip
IC, 4051 multiplexer chip
$2.95 (Part #4319)
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IC, 4053 multiplexer switch
IC, 4053 multiplexer switch
$2.95 (Part #3413)
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IC, 4066 quad bilateral switch
IC, 4066 quad bilateral switch
$2.95 (Part #3723)
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IC, 68B50P ACIA chip
IC, 68B50P ACIA chip
$10.95 (Part #1742)
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IC, 6N138 optocoupler
IC, 6N138 optocoupler
$2.95 (Part #2892)
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IC, 723 linear regulator
IC, 723 linear regulator
$4.95 (Part #3428)
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IC, 741 op amp
IC, 741 op amp
$2.95 (Part #3297)
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IC, 7416N hex inverter buffer/driver
IC, 7416N hex inverter buffer/driver
$6.95 (Part #5184)
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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, 74HC174 flip-flop
IC, 74HC174 flip-flop
$2.95 (Part #4267)
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IC, 74LS02 quad NOR gate
IC, 74LS02 quad NOR gate
$2.95 (Part #1757)
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IC, 74LS04 hex inverter
IC, 74LS04 hex inverter
$2.95 (Part #3147)
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IC, 74LS08N quad gate
IC, 74LS08N quad gate
$2.95 (Part #3394)
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IC, 74LS139 decoder/demultiplexer
IC, 74LS139 decoder/demultiplexer
$2.95 (Part #4263)
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IC, 74LS174 flip-flop
IC, 74LS174 flip-flop
$3.95 (Part #3149)
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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, 74LS367 buffer/line driver
IC, 74LS367 buffer/line driver
$3.95 (Part #4224)
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IC, 74LS374 flip-flop
IC, 74LS374 flip-flop
$2.95 (Part #4215)
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IC, 74LS42 monostable multivibrator
IC, 74LS42 monostable multivibrator
$6.95 (Part #4190)
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IC, 74LS74 dual flip-flop
IC, 74LS74 dual flip-flop
$2.95 (Part #3396)
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IC, CEM3310/AS3310 envelope generator
IC, CEM3310/AS3310 envelope generator
$14.95 (Part #3716)
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IC, CEM3320 filter
IC, CEM3320 filter
$16.95 (Part #3717)
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IC, CEM3340 oscillator
IC, CEM3340 oscillator
$29.95 (Part #3926)
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IC, CEM3360/AS3360 VCA chip
IC, CEM3360/AS3360 VCA chip
$12.95 (Part #4063)
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IC, HS3140C D/A converter
IC, HS3140C D/A converter
$37.95 (Part #2608)
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IC, LM301 op amp
IC, LM301 op amp
$14.95 (Part #3300)
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IC, LM311 comparator
IC, LM311 comparator
$2.95 (Part #2560)
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IC, TL072 op amp
IC, TL072 op amp
$2.95 (Part #3388)
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IC, TL081 op amp
IC, TL081 op amp
$2.95 (Part #4260)
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IC, TL082 op amp
IC, TL082 op amp
$2.95 (Part #3423)
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IC, TL084 op amp
IC, TL084 op amp
$2.95 (Part #4192)
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Key bracket, black key
Key bracket, black key
For early OB-8 with K34U keys
$4.95 (Part #PRKBB)
Click for details
Key bracket, white key
Key bracket, white key
For early OB-8 with K34U keys
$4.95 (Part #PRKB)
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Key bushing
Key bushing
For early OB-8 with K34U keys
$0.74 (Part #4169)
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Key bushing kit, 61-note
Key bushing kit, 61-note
For early OB-8 with K34U keys
$35.95 (Part #416961)
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Key bushings, bulk pkg (100)
Key bushings, bulk pkg (100)
For early OB-8 with K34U keys
$59.95 (Part #4169B)
Click for details
Key contact board, 24-note
Key contact board, 24-note
For later OB-8 with K32U keys
$31.95 (Part #8288)
Click for details
Key contact board, 37-note
Key contact board, 37-note
For later OB-8 with K32U keys
$39.95 (Part #8287)
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Key return spring
Key return spring
For white keys, earlier OB-8 with K34U keys
$3.95 (Part #KEYSPM)
Click for details
Key return spring
Key return spring
For black keys, earlier OB-8 with K34U keys
$3.95 (Part #KYSP16)
Click for details
Key return spring
Key return spring
For later OB-8 with K32U keys
$0.75 (Part #KEYSP8)
Click for details
Key return springs, package of 10
Key return springs, package of 10
For later OB-8 with K32U keys
$5.95 (Part #KEYSP8X)
Click for details
Keybed cushion, 61-note
Keybed cushion, 61-note
For later OB-8 with K32U keys
$10.95 (Part #4795)
Click for details
Knob, rotary, Oberheim
Knob, rotary, Oberheim
$14.95 (Part #1889)
Click for details
MIDI board, Oberheim OB-8
MIDI board, Oberheim OB-8
$129.95 (Part #8276)
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Panel switch, black, with LED
Panel switch, black, with LED
$10.95 (Part #4875)
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Panel switch, wide, black with LED
Panel switch, wide, black with LED
$12.95 (Part #2987)
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Phone jack, 1/4-inch, mono
Phone jack, 1/4-inch, mono
For Mono Output
$9.95 (Part #1949)
Click for details
Phone jack, 1/4-inch, TRS
Phone jack, 1/4-inch, TRS
For Foot Switches, Arpeggiator
$11.95 (Part #4622)
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Power cord, IEC
Power cord, IEC
$8.95 (Part #PC)
Click for details
Power switch, illuminated
Power switch, illuminated
$10.95 (Part #5008)
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Rubber foot, 5/8-inch tall
Rubber foot, 5/8-inch tall
$8.95 (Part #1936)
Click for details
Screws, for keytops, pkg of 10
Screws, for keytops, pkg of 10
For early OB-8 with K34U keys
$3.95 (Part #3923)
Click for details
Style 32U key, black note
Style 32U key, black note
For later OB-8
$10.95 (Part #K32UBL)
Click for details
Style 32U key, note A
Style 32U key, note A
For later OB-8
$12.95 (Part #K32UA)
Click for details
Style 32U key, note B
Style 32U key, note B
For later OB-8
$12.95 (Part #K32UB)
Click for details
Style 32U key, note C
Style 32U key, note C
For later OB-8
$12.95 (Part #K32UC)
Click for details
Style 32U key, note D
Style 32U key, note D
For later OB-8
$12.95 (Part #K32UD)
Click for details
Style 32U key, note E
Style 32U key, note E
For later OB-8
$12.95 (Part #K32UE)
Click for details
Style 32U key, note F
Style 32U key, note F
For later OB-8
$12.95 (Part #K32UF)
Click for details
Style 32U key, note G
Style 32U key, note G
For later OB-8
$12.95 (Part #K32UG)
Click for details
Style 32U key, top C note
Style 32U key, top C note
For later OB-8
$19.95 (Part #K32UC8)
Click for details
Style 34U key, black note
Style 34U key, black note
For early OB-8
$10.95 (Part #K34UBL)
Click for details
Style 34U key, note A
Style 34U key, note A
For early OB-8
$12.95 (Part #K34UA)
Click for details
Style 34U key, note B
Style 34U key, note B
For early OB-8
$12.95 (Part #K34UB)
Click for details
Style 34U key, note C
Style 34U key, note C
For early OB-8
$12.95 (Part #K34UC)
Click for details
Style 34U key, note D
Style 34U key, note D
For early OB-8
$12.95 (Part #K34UD)
Click for details
Style 34U key, note E
Style 34U key, note E
For early OB-8
$12.95 (Part #K34UE)
Click for details
Style 34U key, note F
Style 34U key, note F
For early OB-8
$12.95 (Part #K34UF)
Click for details
Style 34U key, note G
Style 34U key, note G
For early OB-8
$12.95 (Part #K34UG)
Click for details
Style 34U key, top C note
Style 34U key, top C note
For early OB-8
$17.95 (Part #K34UC8)
Click for details
Syntaur control voltage pedal
Syntaur control voltage pedal
For Foot Pedals
$89.95 (Part #CVP100)
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Transistor, 2N3055
Transistor, 2N3055
$9.95 (Part #5245)
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Transistor, 2N3905
Transistor, 2N3905
$1.95 (Part #7447)
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Transistor, 2N5172
Transistor, 2N5172
$1.95 (Part #3295)
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Trim potentiometer, 10K
Trim potentiometer, 10K
For Voice Panning (side panel)
$6.95 (Part #9915)
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Voice board, lower, Oberheim OB-8
Voice board, lower, Oberheim OB-8
$599.95 (Part #9332)
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Voice board, upper, Oberheim OB-8
Voice board, upper, Oberheim OB-8
$599.95 (Part #9236)
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Voltage regulator, 7805
Voltage regulator, 7805
$2.95 (Part #2256)
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Voltage regulator, 7915
Voltage regulator, 7915
$3.95 (Part #3415)
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Washer, beveled nylon insert
Washer, beveled nylon insert
$0.95 (Part #2913)
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Washer, beveled steel
Washer, beveled steel
$0.95 (Part #2914)
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Washer, black, for end panel
Washer, black, for end panel
$0.95 (Part #9490)
Click for details