Treble bleed mod -- cap values

M

merkaba22

New member
I have a resistor (that i have used in other guitars) and a "102" cap that lets too much treble through in one specific application -- what value would be the next best choice, for less treble content -- for example, I have another cap marked "223" and I have no idea if this will moving in the right direction or to what degree.

Any specific information will be gratefully received -- thank you.
 
Re: Treble bleed mod -- cap values

All of the treble bleeds I have done have been on humbucker and P90 pickups. Most of the humbuckers end up with 150k resistance and 470pF to 560pF capacitance. If you can't find caps of the right value, Radio Shack has 1000pF ceramic disks. If you put these in series, you end up with about 500pF.

When I design a treble bleed, I'm looking for about a 3dB to 5dB rise at the resonance frequency as the volume control is turned lower than 10. This way, I can remove the rise with the tone control, usually by 7 or 6 on the tone. This makes it possible to get to that creamy "woman" tone with the treble bleed.

The Largest capacitance I've used was on a P90 equipped Peavey, and that was 1000pF. The .002uF caps in the SD wiring diagram must be for Fender single coils. Half the time I think the 1000pF's on the P90's I'm using is too much, and that may get replaced with a 680pF cap

FYI, YMMV
 
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