We were once again impressed by how un-hi-fi the sound in the deHavilland room was, this time in conjunction with a pair of Tannoy Prestiges. The $10,000/pair 50W deHavilland GM-70 single-ended triode is pure class-A, with zero negative feedback. The GM-70's directly-heated triode vacuum tube is said to be the largest output triode available today. We found the sound sweet, but surprisingly detailed and dynamic. Fit'n'finish were superb.
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