If I could only pick one, I'd go with the series\parallel option. I have a Carvin C22 bridge pickup that can do series\split\parallel from an on\on\on DPDT toggle. It sounds almost identical in series and split mode. Switching to parallel does give a noticeably different tone.
"Fascism should rightly be called Corporatism, as it is the merger of corporate and government power." - Benito Mussolini
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