So I purchased a used Odyssey Cyclops and when I installed in my power cord, my streamer inputs, and speaker cables and powered it up I had a 60Hz hum coming from one speaker. I unplugged everything and plugged it all back in. Same hum. So through a bunch of plugging and unplugging I’ve determined that the hum appears in my left speaker when I plug my speaker cables into the left binding posts. I’ve switched speaker cables, I’ve switched cable direction, and still it still hums. Opening up the case doesn’t reveal anything out of place or poorly connected.
Does anyone have any thoughts why this is happening. All cords, cables, etc were unplugged from my old cyclops into this newer, more highly upgraded one.