Hi guys, newbie here, I have an Epiphone Les Paul copy in which I have swapped the original humbucking pups for Seymour Duncans. I followed the wiring diagram which showed a capacitor earthed from the volume pot to one of the lugs on the same pot. This was the same for each volume pot. I soldered 2 orange drops as per the wiring diagram, but when playing the guitar found that I still had a large amount of treble bleed. I then started looking at wiring diagrams on many websites and found so many different ways to wire up using treble bleed in the circuit, some connecting the capacitor to both the volume and the tone. I am left totally confused and wondered if someone out there can point me in the right direction? Thanks in advance.
There are lots of opinions about using treble bleed circuits regarding whether they are good or bad and regarding several different styles. They all go wired between the centre and hot outer lugs of volume pots (ground lug is not involved) to control loss of treble as you reduce volume. I got curious so went into it in some detail, see the link above.
I found that it can work very well with the right values and arrangement. With 500k pots, a 150k resistor and 1nF cap in parallel turned out to be best to control loss of treble in the range about 4 up to 10 on the knob (if its an audio taper pot). If you most often turn down below 5, you might prefer a smaller cap 0.68 of 0.82nF. If you have 250k pots, drop the resistor to 120k.
These values work for me. But on any forum where LP's are discussed, 90% of posts will advise to do '50's wiring' instead. While I fully respect that weight of opinion, I have the treble bleeds on my Gibson and they have worked well for several years now.