Also check out the Apogee Users Group at: http://audioworld.com/cgi-bin/sw/forumdisplay.cgi?action=topics&forum=Apogee+Acoustics+Users+Group&number=1
You'll find lots of info on Apogees in general and your Centaur Majors in particular.
You'll find lots of info on Apogees in general and your Centaur Majors in particular.