@nonoise isn't amazing how our ears and equipment work?! is your integrated SS or tube?
The first component I always isolate are the tubes, even a pair of mono amps do not react the same to the same isolation, and my house has all walls, ceilings, made of proper bricks and stone, and doors are think wood too. I even have tried to swap the right with the left and the "right" (maybe it is better said to what I like) isolation follows a specific amp. During the Christmas break I played with one of the rooms using REW to understand what we were listening, it is so fun to get some type of validation on what you are listening.
I wish I could figure our why my pictures in Google appear as a broken link in my posts.
Maybe you can help me with it? I click in the picture icon, paste the link i created in Google to the picture I created the link to share, enter the dimensions in the Height and width in pixels and nothing.