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    Subwoofer pulsing/heartbeat issue!

    Hi guys! I have tried everything I tell ya, everything! So I have a 5.1 home theater. I have my 5 speakers connected to an onkyo receiver with no issues. However, I have a passive dvc subwoofer (4ohms per coil) connected to a 2 channel d class amp...therein comes my misery :( My home theater...