Why not post this question on the forum board of the Apogee Acoustics Users Group. Just cut and paste the link below into your browser's address box, sign in, and post your question as a new topic:
http://audioworld.com/cgibin/sw/forumdisplay.cgi?action=topics&number=1
http://audioworld.com/cgibin/sw/forumdisplay.cgi?action=topics&number=1