What's the height of the room? You said it is 12' wide by 19' long.

With those two anyway, I can tell you that you'll have the biggest problems at 93 Hz because of the width, and 60 Hz from the length.

Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris