JWT, which Rowland amp do you own? In some cases, JRDG has adapters to change XLR input phase. G.
matching amplifer output phase to subwoofer phase
I have a PHASE INVERTING amp by (jeff rowland), the subwoofer I am using (paradigm seimic 12) has a phase adjustment knob, is it logical to invert the phase knob 180 degrees from O to match subwoofer phase to amp speaker output?