@Stager
Agreed, I had a groundloop in my system, eliminated it by using the adapter 3 - 2 prong and amazingly all the buzz went away. It seemed like magic, but it's actually physics.
McIntosh MC 2106: HUM!!!
Hi. Please give reasons WHY. It’s out of both speakers, suddenly yesterday when I disconnected/ connected , more/ less components. Thank you….
all internal components were replaced. Fuse is solid.Sorry 2105 model.