Humbucker - Hum canceling

[CarlosG]

Hi!
What makes that humbucker has little hum? Similar resistance coils or identical number of turns (winds)?
If I would like maximum hum canceling, i want to identical resistance coils or number of turns?
I know that pickup magnets and temperature change pickup resistance.
So, polepieces type (slug or screw with bar) affect resistance?
If humbucker has maximum hum canceling with identical resistance, should I check coils resistance before or after install baseplate with magnet?

[d2718]

Re: Humbucker - Hum canceling

Hi!
What makes that humbucker has little hum? Similar resistance coils or identical number of turns (winds)?
If I would like maximum hum canceling, i want to identical resistance coils or number of turns?
I know that pickup magnets and temperature change pickup resistance.
So, polepieces type (slug or screw with bar) affect resistance?
If humbucker has maximum hum canceling with identical resistance, should I check coils resistance before or after install baseplate with magnet?

This is probably not super-helpful, butI would imagine that identical inductance in each coil would maximize hum-cancelling. Outside of ensuring each coil has identical geometry: same number of turns that are the same size and shape with the same wire, I'm not sure how you'd guarantee that without measuring with something like an LCR meter.

[uOpt]

Re: Humbucker - Hum canceling

Number of turns, but it is a bit uneven still because the wire diameter is different for different pickups.

The magnets or passive poles have nothing to do with hum or cancelation thereof.

[Mincer]

Re: Humbucker - Hum canceling

If both coils could occupy the same space, the noise would be even less. Active pickups are really quiet, too.