#1
I just ordered a pickup cover that does not have the pole peice hole's, its just a solid peice of metal.

I bought them without thinking about this, but I dont think that it will affect my sound to much. I read reviews on the tony iommi pickup which has a solid metal humbucker cover on it, and people said nothing about it dulling the sound. Guess im just curious as to if anyone has any experience with this
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#2
Humbuckers often have metal cases with no pole holes. The only single coild I know off that regularly have metal covers are the neck pickups in telecasters. Doesnt affect the tone in mine, so.. yeah.
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#3
The very first humbucker didn't have the adjustable poles. It's just a little tonal feature that you can play with to your taste.
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