I am thinking of getting an MA2275. Have you done any tube rolling of the small signal tubes? What is the efficiency rating of the DC3? Does it ever drive the 2275 to run out of gas? Thanks.
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No tube rolling, I'm still getting over sticker shock and will have to wait until the money tree blooms again.
As far as efficiency for the Tannoys, there is know way this amp will run out of gas with these puppies. My listing room is small.
One draw back with this amp is that I can't move it by myself, getting to old and weak.