Check this one out. I have one running a pair of big Ushers and it is wonderful. Just noticed this thread is old and I'm sure he found something by now. :o) But maybe it will help other maggie owners.
http://www.pearlaudiovideo.com/blog/company-areas/peachtree-area/the-ambassador-of-awesome-visit/
http://www.pearlaudiovideo.com/blog/company-areas/peachtree-area/the-ambassador-of-awesome-visit/