The McIntosh 2kW specs suggest there are three output levels: 2, 4, and 8 ohms. I have never thought about the best way to deal with amp/speaker combos where the impedance range spans several taps on the amp. I have never heard these amps; I am sure they are nice with the right speakers (they'd better be for that price/weight/heat-point). Given the money it appears you are willing to spend, if you are going new, I would imagine any dealer will allow you to do a home demo. If not going new, I would try to borrow a solid state McIntosh somewhere else.
Personally, given what you stated you are looking for out of these speakers, I would expect that tubes would do you better anyway.
Please forgive the ugly link in the previous post. The Atma-sphere white papers are here.
Personally, given what you stated you are looking for out of these speakers, I would expect that tubes would do you better anyway.
Please forgive the ugly link in the previous post. The Atma-sphere white papers are here.