I had a Butler Audio TDB-5150 5-channel, 150 watts/ch., tube/MOSFET power amp that was really great. Lots of power, MOSFET "balls" mated to tube sweetness. They can be found here once in a while for good prices.
They also make a TDB-2250 2-channel, 250 watts/ch. power amp that is very nice...
www.Butleraudio.com
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