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Yamaha CS70M

Released in 1981

The CS70M is a powerful 6-voice polysynth with two VCOs per voice, two LFOs, two 2-pole filters per voice, and envelopes for both the VCA and VCFs. The 5-octave keyboard is aftertouch-sensitive, and there is also a built-in sequencer.

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.

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AC power socket, 2-blade
AC power socket, 2-blade
$15.95 (Part #4415)
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Contact strip, 61-note
Contact strip, 61-note
$47.95 (Part #4537)
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IC, 4001 quad NOR gate
IC, 4001 quad NOR gate
$2.95 (Part #3304)
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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, 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, 4049 hex inverter/buffer
IC, 4049 hex inverter/buffer
$2.95 (Part #2382)
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IC, 4066 quad bilateral switch
IC, 4066 quad bilateral switch
$2.95 (Part #3723)
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IC, 4071 quad 2-input OR gate
IC, 4071 quad 2-input OR gate
$2.95 (Part #2716)
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IC, 4503 tri-state hex buffer
IC, 4503 tri-state hex buffer
$2.95 (Part #3045)
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IC, 4514 decoder
IC, 4514 decoder
$12.95 (Part #11978)
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IC, 4558 dual op amp
IC, 4558 dual op amp
$2.95 (Part #3387)
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IC, 74LS00N quad gate
IC, 74LS00N quad gate
$2.95 (Part #3429)
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IC, 74LS04 hex inverter
IC, 74LS04 hex inverter
$2.95 (Part #3147)
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IC, 74LS05 hex inverter
IC, 74LS05 hex inverter
$2.95 (Part #8114)
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IC, 74LS08N quad gate
IC, 74LS08N quad gate
$2.95 (Part #3394)
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IC, 74LS138 decoder/demultiplexer
IC, 74LS138 decoder/demultiplexer
$3.95 (Part #3251)
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IC, 74LS139 decoder/demultiplexer
IC, 74LS139 decoder/demultiplexer
$2.95 (Part #4263)
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IC, 74LS14N hex Schmitt trigger
IC, 74LS14N hex Schmitt trigger
$2.95 (Part #4420)
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IC, 74LS174 flip-flop
IC, 74LS174 flip-flop
$2.95 (Part #3149)
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IC, 74LS30 8-input NAND
IC, 74LS30 8-input NAND
$2.95 (Part #12583)
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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, 74LS393 dual binary counter
IC, 74LS393 dual binary counter
$3.95 (Part #5225)
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IC, 74LS74 dual flip-flop
IC, 74LS74 dual flip-flop
$2.95 (Part #3396)
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IC, MN3009 BBD
IC, MN3009 BBD
$17.95 (Part #1663)
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IC, Yamaha IG00153 VCO
IC, Yamaha IG00153 VCO
$79.95 (Part #8340)
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Key return spring, Yamaha
Key return spring, Yamaha
$0.75 (Part #KEYSPX)
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Key return springs, package of 10
Key return springs, package of 10
$6.95 (Part #KEYSPXX)
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Knob, ivory face, Yamaha
Knob, ivory face, Yamaha
$7.95 (Part #9844)
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Pedal, damper-style
Pedal, damper-style
For Sequencer, Portamento, Sustain
$34.95 (Part #VFP115)
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Pitch bend/mod wheel rubber stop, Yamaha
Pitch bend/mod wheel rubber stop, Yamaha
$3.95 (Part #7122)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For Tune, Detune, Speed, Fine
$9.95 (Part #3356)
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Power cord, 2-blade
Power cord, 2-blade
$15.95 (Part #PCJ)
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Slider knob, ivory, Yamaha
Slider knob, ivory, Yamaha
$9.95 (Part #9847)
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Style 24U key, black note
Style 24U key, black note
$9.95 (Part #K24UBL)
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Style 24U key, note A
Style 24U key, note A
$10.95 (Part #K24UA)
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Style 24U key, note B or E
Style 24U key, note B or E
$10.95 (Part #K24UBE)
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Style 24U key, note C or F
Style 24U key, note C or F
$10.95 (Part #K24UCF)
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Style 24U key, note D
Style 24U key, note D
$10.95 (Part #K24UD)
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Style 24U key, note G
Style 24U key, note G
$10.95 (Part #K24UG)
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Style 24U key, top C note
Style 24U key, top C note
$16.95 (Part #K24UC8)
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Transistor, 2SA1015
Transistor, 2SA1015
$1.95 (Part #3294)
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Transistor, 2SC1815
Transistor, 2SC1815
$2.95 (Part #1943)
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Transistor, 2SK30A-O
Transistor, 2SK30A-O
$7.95 (Part #2605)
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