Johnk,
What amplifier have you compared to AV Challenger?
Do you use also Jm Lab speakers?
What amplifier have you compared to AV Challenger?
Do you use also Jm Lab speakers?
Which amp matches best my JM Lab Mezzo Utopia ?
I have clearly a predisposition to single ended and Class A design. Push pull does not apply. The speakers are a demanding load though. They go down to 3.8 ohms.