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Products for Oberheim
Matrix 6, Matrix 6R, Matrix 1000
Replacement Keys - Parts
Keyboard Service Center


Replacement Keys
These plastic keys will replace broken ones on your keyboard. With the exception of the Top C note, all keys from octave to octave are identical, and all black keys within a given style are identical. In other words, a B note in the lowest octave uses the same key as a B note in any other octave. But the highest C note is different from the other C notes.

If you do not know the note names, on the 61-note keyboard shown below (OB-8, OB-Xa, etc.), the white keys from the bottom (left side) up are: C, D, E, F, G, A, B, and then the sequence repeats.

Oberheim Keyboard Notes

Click below to view keys for:
Matrix-6


Parts
We stock both new and used parts; the individual item descriptions will specify whether a part is NEW or USED. All used electronic parts are tested and guaranteed working. This listing reflects our current inventory and is updated daily, so if a part is shown with a "Buy" button, we should have it in stock.

If a part is shown as Out of Stock, then we do not have it, and in most cases, we don't know when or even if we might have it again. Your best bet is to simply check back on our site occasionally. If a part is not listed on our site, then we do not carry that part. We can no longer research or special order parts that are not listed here, and we just don't have time to answer questions about parts that we don't carry.

We want to help you get the parts you need, but please do not ask us to help diagnose problems with your equipment. We simply don't have the resources to do this, and it is just not practical to diagnose repair issues without being able to test the equipment in person.


View parts for:
Matrix Series  

Matrix 6, Matrix 6R, Matrix 1000
Oberheim AC Inlet Assembly AC inlet assembly, for Matrix 6 (Part #6467)
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Oberheim Matrix Pressure Sensor Aftertouch (key pressure) sensor, for Matrix 6 (Part #3195)
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Oberheim Matrix Battery Battery, for Matrix 6/6R/1000 (Part #4127)
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Oberheim Matrix Panel Button Button, for Matrix 6/6R membrane switch (Part #3206)
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Oberheim Matrix Panel Button Button, black panel button, no writing, for Matrix 1000 (Part #5062)
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Oberheim Matrix Panel Buttons Button set, all buttons with writing, for Matrix 1000 (Part #5063)
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Oberheim Matrix Repair Part Clip for Matrix 6 keyboard contact board (Part #4348)
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Oberheim Matrix Contact Strip Contact strip, single note (Part #4529)
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Oberheim Matrix Contact Strip Contact strip, 5-note (Part #4528)
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Oberheim Matrix Contact Strip Contact strip, 7-note (Part #4527)
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Diode Diode, 1N4148 (Part #3788)
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Oberheim Matrix Display Display, for Matrix 6/6R (Part #4111)
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Oberheim Matrix Display Bezel Display bezel, for Matrix 6/6R (Part #5333)
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Oberheim Matrix 1000 Display Board Display bezel, for Matrix 1000 (Part #1056)
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Oberheim Matrix Display Board Display board, for Matrix 6 (Part #3194)
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Oberheim Matrix 1000 Display Board Display board, for Matrix 1000 (Part #5050)
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Oberheim Matrix 6 End Cap End cap, left, for Matrix 6 (Part #3196)
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Oberheim Matrix 6 End Cap End cap, right, for Matrix 6 (Part #3197)
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Oberheim Matrix Fuse Board Fuse board, for Matrix 6/6R (Part #3201)
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Oberheim Matrix Headphone Jack Assembly Headphone jack assembly, for Matrix 6 (Part #3235)
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Oberheim Matrix 6 EPROM Chip IC, Matrix 6 OS version 2.13 EPROM (Part #5562)
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Oberheim Matrix 1000 EPROM Chip IC, Matrix 1000 OS version 1.11 EPROM (Part #5068)
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Oberheim Matrix 1000 EPROM Chip IC, Matrix 1000 OS version 1.16 EPROM (Part #1583)
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Oberheim Matrix 1000 EPROM Chip IC, Matrix 1000 Program Data EPROM (Part #5070)
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Oberheim Matrix IC IC, 4016 quad analog switch (Part #3302)
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Oberheim Matrix IC IC, 4030 quad exclusive OR gate (Part #3303)
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Oberheim Matrix Multiplexer Chip IC, 4051 multiplexer chip (Part #4319)
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Oberheim Matrix Plus Multiplexer Switch Chip IC, 4053 multiplexer switch (Part #3413)
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Integrated Circuit IC, 6012 digital-to-analog converter (Part #5065)
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Integrated Circuit IC, 6522 interface adapter (Part #1786)
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Oberheim Matrix Processor Chip IC, 68B09EP microprocessor chip (Part #4042)
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Integrated Circuit IC, 68B50P ACIA chip (Part #1742)
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Integrated Circuit IC, 71C256 SRAM (Part #5069)
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Integrated Circuit IC, 74F00 quad 2-input NAND gate (Part #5271)
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Integrated Circuit IC, 74HC174 flip-flop (Part #4267)
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Integrated Circuit IC, 74HC32N quad logic gate (Part #5246)
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Integrated Circuit IC, 74HC42 dual monostable multivibrator (Part #5121)
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Integrated Circuit IC, 74HCT32 quad 2-input OR gate (Part #5235)
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Oberheim Matrix Quad Gate Chip IC, 74LS00 quad gate chip (Part #3429)
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Integrated Circuit IC, 74LS02 quad NOR gate (Part #1757)
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Integrated Circuit IC, 74LS04 hex inverter (Part #3147)
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Oberheim Matrix IC IC, 74LS08 quad gate chip (Part #3394)
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Integrated Circuit IC, 74LS138 decoder/demultiplexer (Part #3251)
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Integrated Circuit IC, 74LS139 decoder/demultiplexer (Part #4263)
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Integrated Circuit IC, 74LS174 flip-flop (Part #3149)
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Oberheim Matrix Buffer/Line Driver Chip IC, 74LS244 buffer/line driver chip (Part #3424)
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Integrated Circuit IC, 74LS245 bus transceiver chip (Part #3395)
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Integrated Circuit IC, 74LS32 quad gate (Part #4262)
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Oberheim IC Chip IC, 74LS42 monostable multivibrator (Part #4190)
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Integrated Circuit IC, 74LS74 dual flip-flop chip (Part #3396)
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Integrated Circuit IC, 82C54 programmable interval timer (Part #5067)
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Integrated Circuit IC, CEM3396 dual waveform converter/processor (Part #5168)
This is the wide version of this chip, used in the Matrix 6 and 6R.

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Integrated Circuit IC, CEM3396 dual waveform converter/processor (Part #4244)
This is the thin version of this chip, used in the Matrix 1000.

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Integrated Circuit IC, LM301AN op amp (Part #3300)
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Integrated Circuit IC, LM311 comparator (Part #2560)
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Integrated Circuit IC, MP7321 or AD7541 DAC (Part #5092)
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Integrated Circuit IC, PC900 optocoupler chip (Part #3704)
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Oberheim Matrix Op Amp Chip IC, TL072 op amp (Part #3388)
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Oberheim Matrix IC Chip IC, TL082 op amp (Part #3423)
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Oberheim Key Bushing Key bushing (Part #3216)
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Oberheim Keyboard Contact Boards Keyboard contact boards, for Matrix 6 (Part #3204)
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Oberheim Matrix 6 Key Return Spring Key return spring (Part #KEYSP9)
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Oberheim Key Stopper Key stopper (Part #2325)
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Oberheim Knob Knob, for Matrix 1000 Volume (Part #5061)
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Oberheim Main Board Main board, for Matrix 6 (Part #6518)
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Oberheim Main Board Main board, for Matrix 1000 (Part #1053)
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Phone Jack Nut Nut for 1/4-inch phone jack, Matrix 6R (Part #4123)
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Oberheim Matrix Phone Jack Phone jack, for Matrix 6/6R Audio Out, Cassette (Part #4546)
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Oberheim Matrix Phone Jack Phone jack, for Matrix 6/6R Pedals, Headphones (Part #4178)
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Oberheim Matrix Phone Jack Phone jack, for Matrix 1000 Audio Out (Part #4546)
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Oberheim Matrix Pitch Bend/Mod Panel Pitch bend/mod panel, for Matrix 6 (Part #3192)
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Oberheim Pitch Bend/Mod Wheel Assembly Pitch bend/mod wheel assembly, for Matrix 6 (Part #6468)
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Oberheim Matrix Pitch Bend/Mod Paddle Pitch bend or mod paddle (Part #3232)
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Oberheim Matrix Pitch Bend/Mod Paddle Bracket Pitch bend or mod paddle bracket (Part #5128)
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Oberheim Matrix Pitch Bend/Mod Paddle Stop Pitch bend or mod paddle stop (Part #3234)
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Oberheim Matrix Pitch Bend/Mod Potentiometer Potentiometer, for Matrix 6 pitch bend or mod (Part #3233)
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Oberheim Matrix Potentiometer Potentiometer, for Matrix 1000 Volume (Part #5693)
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Oberheim Matrix Potentiometer Assembly Potentiometer assembly, for Matrix 1000 Volume (Part #5052)
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Oberheim Matrix Power Inlet Assembly Power inlet assembly, for Matrix 1000 (Part #5053)
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Oberheim Matrix Power Cord Power cord (Part #PC)
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Oberheim Matrix Power Inlet Power inlet, for Matrix 6 (Part #3199)
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Oberheim Matrix Power Supply Board Power supply board, for Matrix 6 (Part #3200)
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Oberheim Matrix Power Switch Power switch, for Matrix 6/6R (Part #4289)
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Oberheim Matrix Power Switch Power switch, for Matrix 1000 (Part #4149)
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Oberheim Matrix Processor Board Processor board, for Matrix 6 (Part #3193)
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Oberheim Matrix Tact Switch Pushbutton tact switch, for Matrix 6/6R/1000 (Part #4377)
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Oberheim Matrix Ribbon Cable Ribbon cable, main board to display board, for Matrix 6 (Part #4268)
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Oberheim Matrix Ribbon Cable Ribbon cable, main board to keyboard, for Matrix 6 (Part #4091)
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Oberheim Matrix Rubber Foot Rubber foot, for Matrix 6 (Part #4836)
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Oberheim Slider Pot Slider potentiometer, for Matrix 6/6R Volume (Part #2641)
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Oberheim Slider Knob Slider knob, for Matrix 6/6R (Part #3205)
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Oberheim Matrix Front Panel Top panel and lower case, for Matrix 6 (Part #3219)
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Oberheim Matrix Transformer Transformer, for Matrix 6/6R (Part #3198)
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Oberheim Matrix Transformer Transformer, for Matrix 1000 (Part #5051)
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Transistor Transistor, 5172 (Part #3295)
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Transistor Transistor, 2SA1005 (Part #5153)
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Transistor Transistor, C2785 (Part #5136)
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Voltage Regulator Voltage regulator, 7905 (Part #2255)
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Voltage Regulator Voltage regulator, 7912 (Part #1739)
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Oberheim Matrix Volume & Audio Jack Boards Volume and audio jack boards, for Matrix 6 (Part #3202)
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