dead spot fix

New to the forum. I have a beautiful custom made instrument that has a dead spot on the “A” on the D string. I currently have 2 Fat Fingers attached to the headstock. This opens up the “A” a little but it’s still pissing me off. I’m turning to this community to find out how I can remedy this...

I was gonna suggest this on the "Dead spot" thread @forrestlaw but it was too long and I didn't wanna hijack it. I don't know where I heard this (maybe TB?) and I have yet to implement the idea but, going along with the concept of adding mass to the headstock, this seems feasible. So, the...

I have a late 80' Peavey foundation. I tune to standard EADG. The open A string sounds dead, there is lower output from the pickup, and a clanking noise. Fretted notes ring loud and clear on the A sting, every other string rings loud and clear for open and fretted notes. I'm thinking I need...

Just joined today so apologies in advance if I screw anything up. I joined just to post a real breakthrough I found in my ongoing battle with dead spots and wolf tones on my Fender P basses,'63/'82/2017. I've studied the physics but saw no mention of the string tree as the culprit. I had tried...