Yamaha CS80

Im not sure what you are asking Max ...are you talking about the
"Wah"pedal  circuit???

Max Fazio wrote:

> Hi guys....how can it be possible that nobody here can speculate
> anything about this expression circuit??
>
> OK, there is this famous 3rd filter into the EXP circuit, it's made of
> a couple of 3dB lopass filters forming a 1pole lowpass for a gentle
> filtering; I don't know why the low notes sound filtered and the high
> notes have not this impression, why if you slide down with the ribbon
> you plainly get an effect of tracking even if you aren't applying any
> key tracking, why if you put in some resonance into the master
> fitlers, this effect retains part of this resonance.....
> Guys, anybody can give me a little hand or address me wherever I can
> get these infos??
> Please help!!!
> Max
>
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>
> 


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