Mattthegoone

Ground loop hum perhaps? Make sure your ground wire is good. Also try plugging your turntable in to it's own, separate socket (IE not the same one as your amplifier, receiver, speakers (if they're powered), or sub). If those don't fix it, try to plug your turntable in to a dedicated breaker, using a super long extension cord - this can work if your home has some dirty electricity. Sometimes the TT needs to be isolated I guess is the short answer. Can DM me if none of that works and we can try and figure it out.

I have had a similar issue in the past so have some experience troubleshooting. Damn is it ever annoying!