Right, first off please remember I am not an expert on guitar electronics
Im only trying to help!
The simplest way to view a pan pot is effectively two volume controls on the one pot, wired oppositely so the volume increases for one pickup whilst decreasing for the other. It is how that volume or taper varies that differentiates the different types of pots:
Finally, there are a couple of ways to wire up volume controls. However, this impacts passive setups most, so let me know if you really want more!
A good site for more details (including pictures and diagrams) is Invalid Link Removed
The simplest way to view a pan pot is effectively two volume controls on the one pot, wired oppositely so the volume increases for one pickup whilst decreasing for the other. It is how that volume or taper varies that differentiates the different types of pots:
- Dual Volume Pot Commonly and cheaply available, the volume or taper varies across the entire travel or turn of the spindle. Whilst this works, it means each pickup is at maximum volume only at the extreme settings and when the other is at minimum volume
the centre position results in approx only 70% volume for each of the pickups. Whilst some might not realise this, it can result in sonic inconsistencies in the sound due to the continuing changes in volumes of both pickups.
- Blend Pot - Rarer and more expensive, the volume or taper varies across only half the travel of the spindle, remaining at the same volume over the other half. Therefore, in the centre position both pickups are at maximum volume. Turning the spindle results in one pickup remaining at maximum volume whilst the other pickup reduces in volume.
Finally, there are a couple of ways to wire up volume controls. However, this impacts passive setups most, so let me know if you really want more!
A good site for more details (including pictures and diagrams) is Invalid Link Removed
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