You have a pair of 2+2's, which are (2) panels side-by-side and another set on top of those. You could take off the top panels and would have a pair of Model 2's. The link below will answer most if not all of your questions.
http://www.audioasylum.com/cgi/etv.mpl?forum=mug
Just post your questions there and search the archives.
Here's another about tweaks:
http://www.integracoustics.com/MUG/MUG/tweaks/acoustat/
http://www.audioasylum.com/cgi/etv.mpl?forum=mug
Just post your questions there and search the archives.
Here's another about tweaks:
http://www.integracoustics.com/MUG/MUG/tweaks/acoustat/