Recommend me a valve amp to go with Quad ESL 63s
I used to use a quad 303 to drive the ESLs. When I moved to the 520f there was a noticeable improvement in the attack of notes, and I think in the firmness of the stereo image. I don't want to lose that in the transition to valves.
Has anyone tried the new quad valve amps with the ESL 63
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