Quote:
Originally Posted by spideyjg  |
I think I resemble that remark
Basically what they did was take two coils per pickup and stack them in series. And put a capacitor to ground in the middle of each stack. If they have reversed the order of the series stack for one of the two pickups, everything would have been hum bucking (with both pickups working). But since both pickups have the coils stacked the same way (yellow-green on botton, black-white on top) and the capacitors both going to ground, the hum gets doubled.
The high frequency hum picked by the white-black coils does not have a corresponding out of phase hum provided by the yellow-green coils because the yellow-green coils have all there highs sucked straight to ground by the big caps. Hence the white-black coils both provide hum that's in the same phase (hum adding pickups).
Simple soluiton is reverse the order of the coils in series mode but that means you have to unsolder the green wire from its permanent ground connection. Not a good thing in the new tributes.
So the next and maybe simplest solution, is to take one of the big green chiklet caps and tie it from the mid point of the stack (same point as stock 4PDT switch) to the top of the stack (basically the pickup selector point for that pickup). Now if you look at the frequency response of the coil pairs, they are all balanced from a hum / frequency response perspective.
The white-black coil in the stack with the cap grounded passes highes from the hum. But the humming highes from the stack with the cap going to top are coming from the bottom yellow-green coil on the bottom (in the modified stack the highs get sucked out of the white-black coil). The hum from these two different coils is out of phase and therefore hum bucking.
Does that help?
