It's still not DC. DC is constant, during clipping the wave still changes direction(the speaker NEVER stops moving on those flat parts as some may think), therefore it's still AC.
If it changes in time, it's not DC at all. That flatness of the wave is harmonics, or high frequency information, as Haunz pointed out already, there's more power under the curve.
You can turn that ugly clipped signal on and oscope into a nice looking signal by simply lowering the LPF or xover. Try it out for yourself.
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