Sumo 9 and B&K EX442


Any Info and or experience on these amplifiers would be appreciated.
danosol
Sumo is Class A rated. Very warm and tube like. Definitely in the class of Threshold or Pass.
I used to biamp with two Sumo 9's and have nothing but good to say about them. They were reliable, sounded good and and I did not find the fan noise objectionable.