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Roland TR-909

Released in 1984

The TR-909 Rhythm Composer, like its sibling TR-808, is an iconic analog drum machine. And like the TR-808, is doesn't sound much like real drums - but it's unique sound has made it the standard for techno and house music beats.

Roland TR-909
GALLERY
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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.

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AC power socket, 2-blade
AC power socket, 2-blade
$14.95 (Part #4415)
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Button, clear, Roland
$6.95 (Part #1277)
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Cartridge guide, Roland
Cartridge guide, Roland
$17.95 (Part #2226)
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IC, 4011 quad gate
IC, 4011 quad gate
$2.95 (Part #3391)
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IC, 4013 flip-flop
IC, 4013 flip-flop
$2.95 (Part #3322)
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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, 40174 flip-flop (replaces 14174)
IC, 40174 flip-flop (replaces 14174)
$2.95 (Part #3305)
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IC, 4069 hex inverter
IC, 4069 hex inverter
$2.95 (Part #3994)
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IC, 4070 quad 2-input exclusive OR gate
IC, 4070 quad 2-input exclusive OR gate
$2.95 (Part #5172)
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IC, 4520 dual binary up counter
IC, 4520 dual binary up counter
$2.95 (Part #2696)
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IC, 74LS00N quad gate
IC, 74LS00N quad gate
$2.95 (Part #3429)
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IC, 74LS138 decoder/demultiplexer
IC, 74LS138 decoder/demultiplexer
$3.95 (Part #3251)
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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, 74LS367 buffer/line driver
IC, 74LS367 buffer/line driver
$3.95 (Part #4224)
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IC, 74LS373 flip-flop
IC, 74LS373 flip-flop
$3.95 (Part #3051)
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IC, BA662 Roland VCA chip
IC, BA662 Roland VCA chip
$57.95 (Part #4339)
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IC, M5218L or M5218AL op amp
IC, M5218L or M5218AL op amp
$4.95 (Part #8177)
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IC, PC900 optocoupler
IC, PC900 optocoupler
$2.95 (Part #3704)
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Knob, rotary, Roland
Knob, rotary, Roland
Small knob
$7.95 (Part #3561)
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Knob, rotary, Roland
Knob, rotary, Roland
For Tempo, Volume
$9.95 (Part #3562)
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Memory cartridge, Roland M-64C
Memory cartridge, Roland M-64C
$99.95 (Part #M64C)
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MIDI jack, female
MIDI jack, female
$9.95 (Part #5325)
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Phone jack, double
Phone jack, double
For all jacks
$14.95 (Part #3799)
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Potentiometer, .5KB rotary
Potentiometer, .5KB rotary
For Bass Drum Attack
$8.95 (Part #3784)
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Potentiometer, 100KA rotary
Potentiometer, 100KA rotary
For Bass Drum Tune
$8.95 (Part #3783)
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Potentiometer, 100KB rotary
Potentiometer, 100KB rotary
For Total Accent, CH Decay, BD, RS Levels
$8.95 (Part #3780)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For Tom Tune (L, M, H), CY Crash, Ride Tune, Snare Tune, Snappy
$8.95 (Part #3778)
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Potentiometer, 1MA rotary
Potentiometer, 1MA rotary
For Bass Drum Decay, OH Decay
$8.95 (Part #3782)
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Potentiometer, 500KB rotary
Potentiometer, 500KB rotary
For Snare Tone, Tom Decays (L, M, H)
$9.95 (Part #3781)
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Potentiometer, 50KB rotary
For Tempo
$17.95 (Part #1653)
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Potentiometer, 50KB rotary
Potentiometer, 50KB rotary
For Tom Levels (L, M, H), Snare, Clap, HiHat, Crash, Ride Levels
$8.95 (Part #3779)
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Potentiometer, 50KB rotary
For Volume
$17.95 (Part #1654)
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Power cord, 2-blade
Power cord, 2-blade
$15.95 (Part #PCJ)
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Power switch, rocker type
Power switch, rocker type
$6.95 (Part #4289)
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Pushbutton switch
Pushbutton switch
For Start, Stop/Cont
$6.95 (Part #5097)
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Pushbutton switch with LED
Pushbutton switch with LED
For Step/Sequence
$9.95 (Part #3563)
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Pushbutton tact switch
Pushbutton tact switch
For non-lighted buttons (below Start button)
$7.95 (Part #1410)
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Pushbutton tact switch, with red LED
Pushbutton tact switch, with red LED
For lighted buttons (right of Tempo knob)
$9.95 (Part #5023)
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Rubber foot, 7mm tall, with screw
Rubber foot, 7mm tall, with screw
$2.95 (Part #3203)
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Rubber foot, set of 4
Rubber foot, set of 4
$7.95 (Part #32034)
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Switch cap, beige with LED window
Switch cap, beige with LED window
For Step/Sequence
$5.95 (Part #3564)
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Switch cap, white
Switch cap, white
For Start, Stop/Cont
$3.95 (Part #5098)
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Transistor, 2SA798
Transistor, 2SA798
$8.95 (Part #8257)
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Voltage regulator, 7805
Voltage regulator, 7805
$2.95 (Part #2256)
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Voltage regulator, 7815
Voltage regulator, 7815
$3.95 (Part #2321)
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