You might want to try and have a go at the pedal of the SY-1 -- it works as a swell pedal with the CS50 so it should work with a CS80 as well.
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Stephen
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Gesendet:?Donnerstag, 29. April 2021 um 18:08 Uhr Von:?"Mathias Tjonn" <mathiastjoenn@...> An:[email protected] Betreff:?Re: [yamahaCS80fans] Yamaha YC-45D organ expression pedal usable with a CS-80?
...and thanks Stephen, I promise no YC organ will loose it's pedal! It's not mine to mess with in any case, just thought if it worked with a CS-80, I could have a tech reverse engineer it of sorts and make a replica for my synth. Sounds like it does indeed work with the 80, so with Florian's schematics and whatever else I can find here in the forum, I'll proceed with looking into having one built.