All of my guitars (Epi LP's, and an Explorer) are set up with two volume and two tone pots. Each guitar is different in how much volume bleeds through when switching on the three way with one volume off. My question is why. I would think if you have the volume off on one PU and full on the other that when the three way is on the PU that has the volume at 0 there should be no sound. But on two out of three I get a significant amount of bleed. Is there a way to fix this?
Volume Pots bleeding?
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Well, the easiest explanation is that pot's are cheap, and when you have one set to "0" (highest resistance) there isn't enough resistance to prevent a small signal from getting through.
The variation between guitars has to do with
A) the difference in pickups, higher output means a stronger signal going to the pot
B) the difference between the maximum resistance of the pot (most "500 K" pots are anything but 500)
The variation between guitars has to do with
A) the difference in pickups, higher output means a stronger signal going to the pot
B) the difference between the maximum resistance of the pot (most "500 K" pots are anything but 500)
re-pot
I have replaced the pots in the explorer but there is little to no difference. What type (brand) of pot do you suggest?
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1,991 Posts
In the center position with standard wiring (no independent volume wired) it should shut right off when one volume is rolled off. How much volume do you mean when you say significant? Does it happen with just one volume pot or both - will one of them shut right off, and not the other?
I think JimS is right, if it's a small amount, it's probably just that the pots aren't shutting right off.
As for pots, I like CTS, for volumes you might want to order some superpots from RS in the states.
I think JimS is right, if it's a small amount, it's probably just that the pots aren't shutting right off.
As for pots, I like CTS, for volumes you might want to order some superpots from RS in the states.
They have standard wiring. When I say a significant amount of volume I mean that when I have my sans amp gt2 on a moderate blues distortion setting it gives me a nice clean sound (bleed) with the selected pickup volume at 0. I will try new (better) pots and post with results. Could it be anything else?
Have anyone worked on the wiring? Is it possible there's a mistake?
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155 Posts
switchcraft- 750 K ohms linear curve should do the job.
any good electronics supply should have them. then cut the shaft to the lgth you need.
good luck
jimmy peters
any good electronics supply should have them. then cut the shaft to the lgth you need.
good luck
jimmy peters
I'll give it a try. Will this thin the sound?
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