As mentioned above, it is probably more about overall design and execution than choosing pure Class A vs. Class A/B.
That being said, all my current amps are pure Class A:
Atma-Sphere MA-1 mono blocks, Audio Mirror 45 SET mono blocks, and a couple of different Nelson Pass DIY amps are all pure Class A amps.
What do they all have in common? Very liquid and organic sound that you can listen to for hours and hours (as well as significantly higher electricity bills).
George
That being said, all my current amps are pure Class A:
Atma-Sphere MA-1 mono blocks, Audio Mirror 45 SET mono blocks, and a couple of different Nelson Pass DIY amps are all pure Class A amps.
What do they all have in common? Very liquid and organic sound that you can listen to for hours and hours (as well as significantly higher electricity bills).
George