Hi Intricate,

I don't see a problem in switching one crossover to the other speaker if you're confident of your soldering skills. It's rare, but sometimes there can be a defect in a crossover board or a cold solder joint.

Are you using a mono test signal to each speaker? Is each speaker receiving the same signal (i.e. not a stereo signal) because there is no assurance using a stereo signal that bass is mixed equally into both channels.

Alan Lofft,
Axiom Resident Expert (Retired)