I thought it's a great find, so i post this here.
If you want to know the Diffrences between Class A / B / D/ G this is a great site to look at. There are some new Classes that aren't on that list, but if i find a text about them, i will post it here.
ZED AUDIO CORPORATION
If you hear any Clipping, it may be your Ears or the Coils hitting the End Stop
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