I've been down this road a little as I originally wanted to retain the bi-amping from my AVR whilst adding a standard connection from my Roksan stereo amp....it's not possible with just one TC-7220. In end I abandoned this, I wasn't too fussed as I only ever bi-amped from my AVR to improve SQ for music. By adding a true music amp I gained so much more than my AVR could ever achieve.I'm wondering how this would work with a bi-amp setup, would I need 2?
Not sure how the internals would have to work but I came to the conclusion that in my situtation I needed the Beresford TC-7220 to have at least 20 binding posts (16 as standard) if I wanted to bi-amp from my AVR and also have a standard config from my Stereo amp...All sharing my front-2
What exactly do you want to do?