Originally Posted By: Micah
One thing I was wondering about though... I've always held an amps THD (total harmonic distortion) rating as a measure of it's quality. But when comparing the RPA-2 against the XPA-2, the RPA's THD+noise is .035 percent (not atrocious, but certainly not top notch either) and it's the so-called 'audiophile' amp of the two. Then the XPA's THD+noise is .007, and it's considered to be beefy, not the finess amp of the two. So why do all the reviews on the RPA-2 talk about the clarity as compared to the XPA-2 when it has 7 times the harmonic distortion?

That has me scratching my head.


When I was considering a power amp, these discrepancies in their descriptions had me scratching my head too. I agree with Fred that it would not be noticeable, but I was still confused that their audiophile amp had more distortion.

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