I'm also interested in this questions as I look to replace 15yo Perreaux power amp.
I've done a lot of reading on the interweb, and aside from the disqualified Class D options, this appears to be one of the few more innovative applications of Class AB and power supply design, although I'm not sure how far the apple has really fallen from the tree:
http://benchmarkmedia.com/products/benchmark-ahb2-power-amplifier
I've done a lot of reading on the interweb, and aside from the disqualified Class D options, this appears to be one of the few more innovative applications of Class AB and power supply design, although I'm not sure how far the apple has really fallen from the tree:
http://benchmarkmedia.com/products/benchmark-ahb2-power-amplifier