oops...didn't notice that Anthony already answered that! Thanks!
I have an MC440M and I can honestly say it is the best amp I have owned. I have owned numerous amps from big mfg like RF, PPI, a/d/s/, PG, Orion, and the Mc stood out as the best of what I have run.
I won't say they are the best amps made, but it would be hard to convince me there is anything better. Then again, if I hear better, my Mc will be for sale.
They make tube amps only for home audio applications.