Following are excerpts from the press release McIntosh announced the release of the MC402 with. The MC402 is replacing the MC352. As far as I know, all other power amps are going to be replaced with the same new design.
Binghamton, NY December 6, 2002-McIntosh Laboratory, a world leader in home entertainment systems for over 52 years, introduces the MC402 Power Amplifier, with a new 3D glass front panel design.
Producing a minimum 400 watts per channel in stereo, 800 watts in mono, the MC402 delivers power that is fully balanced from input to speaker output. The extraordinary quad-differential design of the MC402 actually consists of four complete amplifier circuits. Each channel contains two amplifier circuits, each the mirror image of the other, whose outputs are combined in the unique McIntosh
Output AutoformerR resulting in totally balanced operation from input to speaker output and the cancellation of virtually all noise and distortion.
...
The MC402 is shipping now at a manufacturer's suggested retail price of $5,000.
Binghamton, NY December 6, 2002-McIntosh Laboratory, a world leader in home entertainment systems for over 52 years, introduces the MC402 Power Amplifier, with a new 3D glass front panel design.
Producing a minimum 400 watts per channel in stereo, 800 watts in mono, the MC402 delivers power that is fully balanced from input to speaker output. The extraordinary quad-differential design of the MC402 actually consists of four complete amplifier circuits. Each channel contains two amplifier circuits, each the mirror image of the other, whose outputs are combined in the unique McIntosh
Output AutoformerR resulting in totally balanced operation from input to speaker output and the cancellation of virtually all noise and distortion.
...
The MC402 is shipping now at a manufacturer's suggested retail price of $5,000.