"MZ" wrote in message
...
The typical scenario to destroy speaker high frequency
driver in a hifi speaker is to have too low power
amplifier and running it to severe distortion.
The disortion causes lots of high frequency components
to be generated by the distortion,

No. That's an UL.
http://www.rane.com/note128.html

That Rane note says exactly the same thing. Only they refer to the
introduction of additional high frequency components as dynamic
compression.

Not exactly, they say it's NOT due to the "introduction of additional HF
components" but due to dynamic spectral compression when driven well beyond
the point of clipping. The solution is simple, turn it down when it's
distorting. If the amplifier is small enough, and the tweeter large enough
however, then clipping will NOT blow up the tweeter. OTOH a big amp will
always require some attention to it's power output.

TonyP.