If you try tweaking first. I had a similar problem in a small room that was greatly helped by pulling the speakers out from the back wall and keeping the distance from the back and sidewalls different. I went to George Cardas' website and followed his formula. This should help with the muffled and closed sound, but I am not sure how the current setup contributes to the non-smooth sound.
Green Mountain Audio Europa Max Vs. Tyler Taylo Re
I am looking to upgrade my Tyler Acoustics Taylo Reference monitor, and am considering GMA speakers. Specifically I am interested in either the Europa Max (Original Europa cabinet with Callisto drivers and crossover) or the Callisto. I was wondering if anyone has heard the tylers and GMAs or could offer some usefull insight. thanks