I am finishing up a basement remodel, and was able to get my tv, speakers, PC and receiver setup yesterday. The receiver is an old Harmon Kardon avr 110 from 2000.
When I turned it on, I noticed a slight hum on all the speakers. The hum does not really change much when I up the volume. It is not a huge deal when volume is up with music or a movie.
There are brand new outlets in the basement, and I tried with the receiver using a simple surge protector and...