To be honest, I have no idea how the 2-channel from my 80.2 sounds. I also have no desire to try it, unless it would help you guys out, but then again it gets very subjective, so not sure it would do any good.
The obvious answer is that it would depend upon what you were comparing it to. My 2-channel set-up is pretty world-class, so the 80.2 was never going to do anything but movies, which is really excels at. The presence of 32-bit DACs in the 80.2 could give your Cary 11a a tough time. I think the new 12 has 32bit DACs, but not the 11. Yes, they do make an audible difference, at least to me.
The obvious answer is that it would depend upon what you were comparing it to. My 2-channel set-up is pretty world-class, so the 80.2 was never going to do anything but movies, which is really excels at. The presence of 32-bit DACs in the 80.2 could give your Cary 11a a tough time. I think the new 12 has 32bit DACs, but not the 11. Yes, they do make an audible difference, at least to me.