dave sanderson wrote:

an AC electrical signal. thats why I said *most* speakers. It is
concevable that there are crossover designs which are none symetrical,
and could sound different when wired backwards.

this is a bit like saying its conceiveable there could be people with 3
arms so we should design jumpers to suit. In either case there might on
rare occasoin be such a screwup, but if so you've got a real problem to
think about rather than the irrelevance of absolute polarity.


NT