I just looked at my post again and I saw that it said "...vary the voltage delivered to the amplifier.". I meant speaker and not amplifier. Sorry about that.
My brother-in-law actually has one that does not have "clicks". His in-ceiling speakers sound like absolute garbage and I think it's because of the control he's using. All the ones that are touted as high quality have taps/clicks. I haven't seen any that are "smooth" but that doesn't mean they don't exist.
That's a good idea about wiring the control out to see what happens. Also, how long is your wire-run? That could make a difference too if you end up dropping half your voltage across the wire
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Axiom probably expects that you would mount them on a bracket like the FMB so that you can tilt them. Perhaps that's why they didn't use the same mounting hooks as the QS8s.
