Tvad,
I agree with you about the power conditioner.
My reciever is for now operating for both 2/ch and HT duties.
Yes it is correct when the reciever is not connected to the amp and both are turned on there is only a slight hiss. The hiss does not increase with the volume a good thing right.
With the reciever and amp connected and both turned on the buzz returns. It also returns when my amp is taken out of the loop and the reciever running the whole show.
You mentioned the use of a wire can you give me any suggestions.
I have a better repore with another store a different one but I haven't asked them. Next time I visit them I will.
Tommorow I will call Bryston and find out about a ground screw and I'll try the same with Nad.