Yamaha CS15
Released in 1978The CS15 is a solidly-built two-VCO monosynth with a 37-note keyboard. It has two 2-pole resonant filters, each switchable between LP, BP, or HP.

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.


$31.95 (Part #9914)

$2.95 (Part #3994)

$2.95 (Part #3387)

$9.95 (Part #11963)

$79.95 (Part #8340)

$0.75 (Part #KEYSPX)

$4.95 (Part #KEYSPXX)

$7.95 (Part #5093)

For Pitch Bend
$9.95 (Part #3649)

For LFO Speed, Glide VCO 1/2 Depth, Tune, VCO 2 Detune, VCO 1/2 LFO Mod, PW, PWM, all Mixer, all VCF, all VCA
$9.95 (Part #3356)

For Brilliance, Sustain
$17.95 (Part #4482)

For Portamento, Attack, Decay, Release
$17.95 (Part #3333)

$12.95 (Part #2461)

$16.95 (Part #2462)

for Pitch Bend/Portamento/Brilliance (This part is different from the original slider cap, but is a workable replacement)
$6.95 (Part #3551)

For EG1, EG2
$6.95 (Part #2749)

$9.95 (Part #K24UBL)

$10.95 (Part #K24UA)

$10.95 (Part #K24UBE)

$10.95 (Part #K24UCF)

$10.95 (Part #K24UD)

$10.95 (Part #K24UG)

$16.95 (Part #K24UC8)

$1.95 (Part #3294)

$2.95 (Part #1943)