I ran Audyssey on the Denon AVR-2807. The suggested crossover frequency for the main speakers was 40 Hz, which I manually changed to 60 Hz after runing Audyssey. The subwoofer, Velodyne 800-R, is connected with a single cable, to the receiver subwoofer output, and its phase knob, initially, set to 0°. Then I experimented feeding a 63 Hz frequency from a Rives CD, in stereo, and heard a considerably louder bass with the phase control set to 270°. Should I leave this setting, or move the phase control knob back to 0°?.
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