Feeding speakers too much power

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Originally Posted By: Quattro Pete
Theoretical question... say you have a pair of 2-way bookshelf speakers designed to handle 100W continuous / 140W short term. If you were to feed it (clean) power somewhat in excess of this, is it the woofer or the tweeter that is at a higher risk of getting damaged first? Assume standard dance/pop/hiphop material with plenty of bass, if that matters.
Neither. Your hearing would be damaged first. 100W continuous delivered at the LS itself, particularly indoors, would be phenomenally loud.

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Can the woofer get physically damaged from over-extension, or is that not even possible?
It sure is possible! So are fires. Woofers are either throw-limited, power-limited or both. Either way when the wheels start coming off, damage will occur.
 
Played around with this subject way back in high school in a lab with a scope and stuff.

A 15 watt mobile power amp could throw huge direct current spikes as it distorted at max power. Easily wrecked 100 watt rated car speakers.

Most amp designs do this, but some have a protected output that will not allow it.
 
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