You can read more about how different pot and cap values affect tone in this two-part blog post: Part I - Pots, Part II - Caps. That said, there are no hard and fast rules. 022μF caps-and these are the values we typically recommend. The most common/traditional choices are 500k pots (both volume and tone) and. What values of potentiometers and capacitors do you recommend for P-90 pickups? Please contact our CS department for details on sending us your pickups- or 20 (Mon – Fri, 9AM – 5PM Pacific Time)
If you are replacing a P-90 pickup that has a metal cover, you can send us your pickup (we’ll need the entire pickup, not just the cover) and we can build one of our P-90s into your metal cover.