Roland R-8

Released in 1989

The R-8 is a drum machine with 32 preset rhythms and 100 programmable rhythm patterns. Note that there were two versions of the R-8, an earlier model, and a later model (serial numbers AA02400 and higher). Some parts are not interchangeable between the versions; our list specifies if a particular part works in only one version.

In 1993, Roland released the R-8 Mk II, which expanded the number of programmable patterns to 200.

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.

Battery holder
Battery holder
$3.95 (Part #3090)
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Battery, 3V lithium
Battery, 3V lithium
$3.95 (Part #4347)
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Button set, Roland
Button set, Roland
$24.95 (Part #11015)
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Display cover, Roland R-8
Display cover, Roland R-8
$14.95 (Part #10885)
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Display cover, Roland R-8 Mk II
Display cover, Roland R-8 Mk II
For R-8 Mk II only
$14.95 (Part #11013)
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Display, Roland R-8
Display, Roland R-8
For R-8 only; not for Mk II unit/
$69.95 (Part #10880)
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Display, Roland R-8 Mk II
Display, Roland R-8 Mk II
For R-8 Mk II only
$69.95 (Part #11018)
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Dust shield, Roland
Dust shield, Roland
$3.95 (Part #10883)
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IC, 4052 multiplexer switch
IC, 4052 multiplexer switch
$2.95 (Part #7739)
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IC, 74HC4051E multiplexer switch
IC, 74HC4051E multiplexer switch
$2.95 (Part #3301)
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IC, NJM2068SD dual op amp
IC, NJM2068SD dual op amp
$8.95 (Part #5086)
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IC, PCM54HP D/A converter
IC, PCM54HP D/A converter
$11.95 (Part #5707)
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Jack board, Roland R-8
Jack board, Roland R-8
For later version R-8 and for R-8 Mk II
$59.95 (Part #11017)
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Main board, Roland R-8
Main board, Roland R-8
$119.95 (Part #10877)
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Main board, Roland R-8 Mk II
Main board, Roland R-8 Mk II
For R-8 Mk II only
$119.95 (Part #11012)
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Memory card holder, Roland
Memory card holder, Roland
$9.95 (Part #4947)
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MIDI jacks assembly
MIDI jacks assembly
$12.95 (Part #9547)
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Pad assembly, Roland
Pad assembly, Roland
$19.95 (Part #3932)
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Pad assembly, Roland
Pad assembly, Roland
For Start/Stop, Roll, Play, Erase
$9.95 (Part #11014)
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Pad contacts, Roland drum machine
Pad contacts, Roland drum machine
$37.95 (Part #11016)
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Panel board, Roland R8
Panel board, Roland R8
$39.95 (Part #11011)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Outputs, Start/Stop
$10.95 (Part #4546)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Phones
$7.95 (Part #4178)
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Phone jack, 1/4-inch, 5-pin PCB mount
Phone jack, 1/4-inch, 5-pin PCB mount
For Value
$13.95 (Part #2298)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For LCD Contrast
$6.95 (Part #5775)
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Power switch, pushbutton
Power switch, pushbutton
For earlier version R-8 only
$21.95 (Part #1063)
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Pushbutton switch
Pushbutton switch
For later version R-8, and R-8 Mk II
$9.95 (Part #2129)
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Pushbutton tact switches, 10-pack, 5mm
Pushbutton tact switches, 10-pack, 5mm
$12.95 (Part #7158)
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Rubber foot, 1/8-inch tall
Rubber foot, 1/8-inch tall
$1.95 (Part #7846)
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Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For Value
$19.95 (Part #10826)
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Slide potentiometer, 10KBx2, 30mm
Slide potentiometer, 10KBx2, 30mm
For Volume
$19.95 (Part #3938)
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Slider knob, Roland
Slider knob, Roland
$7.95 (Part #10884)
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Switch cap, black
Switch cap, black
For Power
$3.95 (Part #3406)
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Voltage regulator, 7805
Voltage regulator, 7805
$2.95 (Part #2256P)
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Voltage regulator, 7905
Voltage regulator, 7905
$2.95 (Part #2255P)
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