Create a two stage potentiometer | Seymour Duncan Blog
This is pretty cool if you have a guitar that could benefit from using both 500K and 250K volume pots, like one that runs a hotter humbucker and a lower output single coil.
Fun Fact: According to this article and this one the JB was made to be used with 250K pots. So if you think it's shrill using 250K pots might help.
Wirelessly posted (like MAGIC!)