OK, last night I hooked up the loaner amp (Denon 2809). The setup is the same as in my 1st post except that I took out the extra set of M80s. I powered everything up and now the subwoofer (HSU Research VTF-3 MK3) does not respond. The cable is from the Pre-Out SW. The HSU has power to it but just doesn't do anything. My first inclination is that something blew inside the sub (of coarse). Is there a way for me to verify that the Denon is actually sending a signal to the sub? I have a Fluke 79 III multimeter for signal testing.

Thanks



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