Class D: Turns Out it Does Suck!

[andifor]

55 minutes ago, GUTB said:

 

I've heard a couple of class A and A/B amps which suck. But the problem with class D is that it sucks by nature. That's not a troll, but a hard fact. Vladimir Shushurin from Lamm was the most brutal about the issue, calling class D feeble with a bunch of diseases on top of it, while we deal with all of its shortcomings with modern medicine.

 

Guess which one of these 10 KHz square waves is from a class D and and which one is from a class A amp:

 

 

 

 

Is this FLAC or MQA? ;o)