Well, if you look at the thread "The world greatest museum", you will notice that all the equipment is in the same room as the setup with the DD66000. The room is in concrete, floor, walls and roof. All together this is not good.
It was my intention to take a new trip to listen to them in a properly room at on of the dealers in Oslo, but sorry, I have not made that happen yet. This has to do with the sickness of my wife. Maybe I must get them home (if I can find someone with a big enough car to pick them up) and listen at home. Right now this is out of the question because of the problems my wife (and I) is having.
Hope this explain a little.