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So my old Denon receiver now has to be replaced. Can anyone tell me what I need to look for to have the best shot at the new receiver being compatible with 4k uhdtv? I don't currently have a 4k tv but probably will in a year or two. I see several that say they do 4k passthrough, but then I...

Thanks for sharing that. I saw a different post on that site that was a more challenging fix than this one. If after troubleshooting everything else I still have the hum I may try this relocation.Just for kicks, here's a pic of the back of the center channel...

Well, to follow up on this mystery, I started today to unplug everything and replug as suggested. Before doing this I thought I would try one other thing. The receiver has a cord that runs to the center channel that then has two connections on that end, one controlling the left sub and the other...

They're Carvers. The amp/crossover for the subs is physically located in the center speaker box. I'll try your suggestion of unplugging and see what happens. My Christmas tree is in the way of me physically getting to one of the front surrounds. I did remove the speaker wires from the one I...

Fyi, I plugged the center channel into a different circuit with an extension cord and I still get the hum.

The fan is controlled by a thermostat, so it has power on but since we're in winter weather now it's not actually running.

I'll try and check the outlet. The work was to repair an attic fan. The mount wasn't secure, so it was simply turning off the breaker, removing the black and white wires from the motor, remounting the motor, reconnecting the two wires and turning the breaker back on. Nothing was done in the...

I'm looking for some help to resolve a recent problem with my speaker configuration. I don't have a lot of technical knowledge on this so any help is appreciated! I have Denon receiver with Carver speakers. The center channel is powered and feeds two subwoofers, one located inside each of the...