you must investigate and try if available the Mark and Daniel Maximus Monitor+. It should be a great match for your space and listening requirements. http://www.audiogon.com/cgi-bin/cls.pl?spkrmoni&1318733858&/Mark-And-Daniel-Maximus-Monitor
good monitor speaker for a large room
my room have a 20feet x 20feet whith cathedral top. I search for a monitor speaker whit rock bass my budget is between 1k$ to 3k$ used. Any sugestion please