I am trying to figure out a setup in which I wire 2 single coil pickups / 1 volume / 1 blend.
The blend pot acting as a 3 way switch at both extremes (100% Neck at one end, 100% Bridge at the other).
Both pickups on at center detente, and a blend of both pickups at various in between turns of the sweep. (25% Neck, 75% Bridge - etc.)
There will be no Tone or 3 way switch/blade.
What I have on hand are the alpha mini pots "Fender Alpha 250K solid shaft balance/blend/pan pot" with M/N taper.
What I don't have is a reliable diagram as to wire this setup. And a few questions to those with better understanding of such circuits:
![](https://i.imgur.com/4PDSI9q.png)
1. As far as I understand, Source A and Source B are the hot wires from pickups 1 and 2. I am confused as to what I've indicated as the two red arrows. Where are these grounded to exactly?
2. Which connection made would enable series in the middle position? Which would enable parallel?
3. I've read on some threads regarding a reduction in output with such a setup, why would that be so, if true?
4. There is some idea regarding ungrounded and grounded blend pots, with regard to enabling a full isolated pickup output on both extremes, a bleedthrough of either pickup on both extremes, a drop in output in the center detente position, etc.. anyone with a better understanding perhaps simplify what grounding vs ungrounding achieves?
Appreciated.
The blend pot acting as a 3 way switch at both extremes (100% Neck at one end, 100% Bridge at the other).
Both pickups on at center detente, and a blend of both pickups at various in between turns of the sweep. (25% Neck, 75% Bridge - etc.)
There will be no Tone or 3 way switch/blade.
What I have on hand are the alpha mini pots "Fender Alpha 250K solid shaft balance/blend/pan pot" with M/N taper.
What I don't have is a reliable diagram as to wire this setup. And a few questions to those with better understanding of such circuits:
![](https://i.imgur.com/4PDSI9q.png)
1. As far as I understand, Source A and Source B are the hot wires from pickups 1 and 2. I am confused as to what I've indicated as the two red arrows. Where are these grounded to exactly?
2. Which connection made would enable series in the middle position? Which would enable parallel?
3. I've read on some threads regarding a reduction in output with such a setup, why would that be so, if true?
4. There is some idea regarding ungrounded and grounded blend pots, with regard to enabling a full isolated pickup output on both extremes, a bleedthrough of either pickup on both extremes, a drop in output in the center detente position, etc.. anyone with a better understanding perhaps simplify what grounding vs ungrounding achieves?
Appreciated.
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