I could be wrong, but my understanding is that Accuphase Class A transitions to Class AB when driven past it's rated output.
My ranking during the audition with Amati Tradition and Transparent cables.
1. Audio Note Cobra
2. AVM A 5.2 and Gryphon Diablo 120
3. McIntosh MA12000
4. Accuphase E800
Surprisingly, the Cobra sounded the best. It's the cheapest and lowest power (EL34 28w). It's Class A. But didn't sound too soft or rich. For my listening habit and volume, I stayed under 1w 90% of the time. Never went over 10w according to the E800 meter.
Power was not an issue at all. The 350w MA12000 didn't sound any more powerful or dynamic than the Cobra. No dynamic restrictions were heard on any of the amp. The only thing I didn't like about the Cobra is its below average fit and finish. Thin sheet metal chassis, uneven gaps between parts, knobs not smooth, etc.
Last edited by TommyC; 07-11-2021 at 10:54 PM.
Reason: MA12000 puts out 350w, not 300w
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