I agree that he's *probably not* getting any benefit from the external amps with those
speakers in that
room with that
..it should easily do the job. But he is running at essentially the maximum Audyssey trims so that is incorrect and the resulting Audyssey sound will not be correct. -12dB is the max the trims can go to, maybe they should be -14 or -20...who knows at this point?
If he wants to keep the amps (or has no choice, not that they're bad or anything, probably just unnecessary), then he should see if the amps have input attenuators, and if so adjust them to a less sensitive level. If they don't
have input attenuators then he can't properly use those amps with that AVR with Audyssey, which would be a shame especially re the sub...I think that's the important thing. Of course he could use input attenuators to the amps, but now we're just getting stupid and needlessly complex, referring to my first sentence, and just "making stuff work".
PS *I* would not use the A100 amps with those Paradigm speakers, or anything Signature. I wouldn't use my Denon amps with anything even 1/4 that good, but that's me.