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HELP - How Hard is to Blow a Bass Driver

As I came home I see my little brother and his friend BLASTING a Prodigy song in my listening room. I don't know the song but it was about 1 MIN. of just full loud annoying bass only (the kind you hear in Honda Civics while the liscense plate is rattling). As I ran into the room to lower the volume I saw the Driver shaking like CRAZY. Not "in and out" motion but more like shaking erratically all over the place.
Amp is the Exposure 18(70 watts rms)
Speakers are the PMC Fb1
Volume at 12 o-clock

I'm concerned that there might be damage to the Drivers. I can't hear any damage but could there be internal damage (coils)that might show up later on? Any way to test for damage?

Thanks for your help as I am stil in a cringing state
dr_balance

Showing 2 responses by unclejeff

unclejeff
1,313 posts
 
You probably dodged this one. I don't think that your exposure amp can terribly harm your PMCFb1s at this level. I suppose you could get one of those CDs that test everything, but I would not fret over it.

Chill.
unclejeff
1,313 posts
 
Hey Barry;

I would like to offer another way to really--aw shucks I really want to use the F*-word--up your speakers, and that is with one of those 'test CDs' that push the speakers to the limit. I blew out my cute little horns sitting on top of my very expensive speakers when I used one of these CDs and paid no attention to the small print warnings about turning down the volumn when running this so-called "test".

Bummer.
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