Nelson Pass Class A vs Class AB amplifier (3-song comparison)

Speakers: Dali Rubicon 2 DAC : Schiit Modi Multibit 2 Class A Amp : Nelson Pass Amp Camp Amp Class AB Amp : Onkyo A-9150 Folk / Male Vocals : Onkyo 0:00, Class A 00:37 Blues / Female Vocals : Onkyo 1:15, Class A 1:51 Dynamics : Onkyo 2:29, Class A 3:22