- and who will pay for the repair bill?Unless Emotiva markets the specific line, I would not necessarily expect them to handle warranty issues. This seems to be a little different relationship than say, when Conrad Johnson purchased McCormack because they immediately continued to carry and sell the line, and they took over warranty service, I believe. You should contact them and ask.
Aren't tubed amps relatively easy to diagnose and fix, unless you fry something irreplacable like the transformers Bob wound special? There are several noted repair folks around the country who should be able to help if you ever need it.