[filby1]

My sub has a little buzz, thats stays when i disconect the RCA lead from the rear, but stops when i switch the sub of at the rear.

So i think then that its not a Buzz that a ground loop isolator will cure?

I know im getting a new monolith soon so maybe that wont do it?

I do run a good RCA cable Reference one thats one way and 75Ohms, and i do have a fancy Belden power cable that shields "EMI" so i might use that on the monolith too.