Charles, I'll make one more comment: the "industry" does not use those absurdly low distortion figures as those which are present when an amplifier clips. Reviewers in some audio publications don't set a standard for audio engineers. Note also that Home Theater Magazine, which published the 3300 review, uses 0.1% and 1.0% distortion figures for measuring power output, without terming either "clipping".

If you studied the brief book excerpt that I linked, you noted that several % of THD was shown for degrees of flattening of the wave that still had a considerable way to go.

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Enjoy the music, not the equipment.