reverse wound/reverse polarity

[User_name]

How important is reverse polarity when wiring 2 single coils in parallel for the 2 and 4 positions on the switch? I always thought one being reverse wound is suffice for hum cancelling.

thanks,
Joe

 

[Artie]

Re: reverse wound/reverse polarity

You need reverse-wound so that noise picked up from the air will be out-of-phase, and thus, hum-cancelling. You need reverse-polarity so that the desired signal is back in phase.

In other words, you've reversed polarity twice.

 

[Zhangliqun]

Re: reverse wound/reverse polarity

The guitar won't blow up if the middle pu isn't RWRP. It's just nice to have at least SOME positions on a Strat that are humbucking, especially the two positions that have the least output and therefore lowest signal-to-noise ratio.

 

[Fresh_Start]

Re: reverse wound/reverse polarity

Here's a really helpful chart from Stewart McDonald
(don't ask me why they put a bunch of good info under the "Superswitch" instructions instead of in "Wiring 101")

Obviously "in-phase, hum-cancelling" is ideal.
"in-phase" is ok.
"out-of-phase" sounds thin and weird (but can be kinda' cool in series... )

Chip

 

[User_name]

Re: reverse wound/reverse polarity

Thanks all. I think I understand, RW for humcancelling, RP for a good signal. I've got a rw/rp aps-2 on the way along with a jazz neck.

Joe