I have a Magnepan home theater consisting of 3.5Rs for the L&R, MMGs for the rear, and the Maggie Center Speaker. I use three ATI amps. 2 - 1504s and a 1506. I bridge them so the 1504s have two channels each to biamp the 3.5Rs. I bridge the 1506 so it is 3 channels for the Center and Rears. All channels have the same power output throughout and match sonically. I have been using this setup for 2 years and it sounds wonderful. I agree with Sutts that to biamp with two different amps is very difficult and requires some type of attenuator to match volume gains. This is useful for pure music listening using SS on the bottom and tubes on the top, but not practical for home theater. Stick with all the same amplification if possible. Hope this helps. Happy listening.
Bi-amp with multi-channel amps in H/T
I want to bi-amp my Magnepan MG3a's in the front and use a 2-channel amp (Denon 5200) with a comparable multi-channel amp (5x120 watts or more/8 ohms) to power Maggie MG1's in the rear and a center channel. Would it be better to drive the MG3 tweeters with two channels from the "multi" amp and the MG3 bass with the Denon, or just drive the front and center with the multi-channel amp? I'm open to suggestions on the multi-channel amp. 50/50 on music vs movies.