Dean, it seems rather unlikely that the difference between the futon and whatever you were sitting on before would have that significant of an effect, but I'll throw out an idea: did the auto level calibration on the 2807(not actually the Audyssey part of the system)maybe set the center speaker "large" now, whereas it was set "small" before? If so, that would reduce the bass which was fine before because the sub was handling it. Manually set the center channel "small" with an 80Hz crossover. Puzzling.
