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ADH isn't a class, like class A or D, its a marketing thing with a trademark

I took a look at the website where they push this idea.

There's a lot of misinformation. I'm guessing its written by the marketing department, by someone not having a grasp of the actual engineering.

The most obvious example is stating that a class D amp is digital and conflating the two. Class D amps are analog and employ switching. They are not digital; if there is a digital amplifier its not class D. Just so we're clear on that.

Its an interesting idea but one question coming to mind right away is since the class D is providing the current, it therefore has to be providing the voltage as well, so the class A portion would be doing nothing! So I have to assume that the explanation is simply incorrect.


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