Cardas has a good write up on room setup.
www.cardas.com/room_setup_main.php
I had the F12's a few years back and I never felt the need to use a high powered amp, your set up with no back wall might be adding to your problem. Try some nearfield listening and see if you like the tonal character of the speakers.
www.cardas.com/room_setup_main.php
I had the F12's a few years back and I never felt the need to use a high powered amp, your set up with no back wall might be adding to your problem. Try some nearfield listening and see if you like the tonal character of the speakers.