Living in a hot southern climate I'm considering acquiring a 2nd amplifier for summertime use as a backup to my Pass Labs amp which runs quite warm. Solid state, cool-running, fairly recent vintage (don't want to invest in service) with a used price somewhere below $800. I had a good candidate in storage but I gave it to my brother so I need some recommendations. My system is comprised of an ARC tube pre and B&W Matrix 800 series speakers.
I think a quiet room fan obviates any tube amp issues from the heat sensitive among us, and a quiet fan won't disturb the experience any more than hearing Uncle Clem outside with your cousin Betsy screaming from the moonshine still behind the pigs. Merely moving the air around can really mess with the BTUs...swine British!
Even with all the windows open it keeps my living room a very comfortable 68.4 °F.
On a slightly more serious note: If you have budget, the Odyssey Stratos have about 30% more juice than the Kartagos, which your Matrix 800s will gleefully put to good use.
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