It doesn’t matter because the sub’s driver is not on the same plane as the main speakers, therefore, the phase alignment is already off due to physical placement. This is one of the reasons that a lot of higher quality subs have the ability to adjust phase.
Absolute Phasing
I just purchased a B&K EX-442 Sonata Series amplifier and I am attempting to find if this amp is non-inverting or inverting. My search for the manual online was not successful. I am requesting assistance on this. Thanks.