John Sayers' Recording Studio Design Forum Archive

I just ran into this and found the graphic (about 20% of the way down) quite interesting.

http://www.avsforum.com/avs-vb/showthre ... genumber=7

Read part of that thread, and now I'm off to the "mad scientist laboratory" to design a non-magnetically levitated, infinitely rigid, low cost sound impervious wall from old truck tires...