BOSS Cs-3 sustain pot taper

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darkstar
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Post by darkstar »

Hello pedal sages, im looking at tweaking the sustain range on my already modded CS3.

http://www.dirk-hendrik.com/images/cs3.gif
schematic above

am i right in thinking the 4k7 and 22k in the bottom left sets the min and max ranges for the sustain pot?

oh and which is which, is the 22k going to be the minimum if so? thanks muchly

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mictester
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Post by mictester »

darkstar wrote:Hello pedal sages, im looking at tweaking the sustain range on my already modded CS3.

http://www.dirk-hendrik.com/images/cs3.gif
schematic above

am I right in thinking the 4k7 and 22k in the bottom left sets the min and max ranges for the sustain pot?
They do limit the range available to the pot, to prevent either saturating or completely cutting off the FET that's fed from the associated op-amp. There's no point in changing them - you'll just change the pot's range to working over a small part of it's rotation!
"Why is it humming?" "Because it doesn't know the words!"

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darkstar
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Post by darkstar »

oh i see, it won't get spread out over the rotation. thankyou loads for your wisdom

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