In message <64D32EE8B9CBDD44963ACB076A5F6ABB01C55612@Mailbox-Tech.lecotech.local>, dated Thu, 2 Feb 2012, "Kunde, Brian" <[email protected]> writes:

A 1db change in the amp's input will result in a 1db change in the amp's output (or fairly close to it) if operating within its linear range.

This isn't a very sensitive measure of overload in terms of harmonic generation. If you do a Fourier analysis of, for example, a sine wave with 0.5 dB peak clipping, you will see that the harmonic content is already significant. I did have this documented somewhere, but I can't find it at present.
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