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Re: Morricab, like other subjectivists, you are an ignorant fool

"BTW, distortion in that Crown amplifier can rise as high at 20 khz to a whopping 0.05%. in terms of sound that's less than three parts in ten thousand. Even you can't hear that, no matter what its harmonic distribution. "

Prove it.
Do you have measurements like this one below that show what you claim to be true? Didn't think so.

http://www.soundstagenetwork.com/measurements/amplifiers/belles_350a_reference/

This sums up nicely what I am talking about. If we work on the assumption that 1) Negative feedback lowers output impedance (ie. increases damping factor) and 2) Negative feedback lowers THD

Looking at the measurements it is clear that the damping factor begins to drop at around 200Hz. Likewise, the THD vs. Frequency is also increasing around this frequency. If we take the two points above then it is obvious that the negative feedback is no longer effectively lowering the output impedance and is also no longer effectively keeping the THD as low. It is also reasonable then to expect that the nature of that distortion is likely changing as well.

Far better to start with a more linear design than to "correct" to spec.

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