Series and Parallel Pickup combinations

A/B testing at the flick of a switch

Humbuckers versus single coils.

There is a lot made of the debates concerning which is best type and why they sound that way; many marketing lunches will have been funded on the back of Alnico formulations.

In fact, there are even products that will have a go at metamorphosing between these apparently immutable archtypes.

Keyztone - EXchanger - ReKoil - Wahouwah

But, these are all black boxes. What if you could simply hear the difference for yourself?
Normally guitar looms present the pickups in parallel, or some whacky variants of said — ahem

JEM style pickup wiring

Series is a bit of a stretch for those circuits. But with the right switch it can be done, and in fact it has been!

Results

Hear for yourself. Whatever is happening is due purely to the combined impedances of the pickups…