How to Blow a Subwoofer
A subwoofer blows for two main reasons. One, is that the there was a voice coil meltdown, and two, is that there was excessive cone movements. It is easy to blow a subwoofer, and can be expensive to repair. It also creates an irritating sounds through the speakers until it is repaired. Prevent blowing out your subwoofer by avoiding these steps.
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Instructions
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Turn on your car by putting the key in the ignition. Turn on the your music, whether it is the radio, CD player, cassette player or iPod.
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Turn on your bass settings as high as they can go on the audio settings, so it will be the strongest bass noise possible. Turn down the treble settings so the tweeter speakers do not blow.
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Slowly turn up your audio volume a couple notches each time. Do this until your hear the bass sound from the subwoofer start to sound a little strained or fuzzy. Go look at your subwoofer. If the cone is straining and trying to exit from the speaker by popping out far, this means it is pulling the suspension and voice coil from the inside with it.
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Continue turning up the volume until you hear a "popping" sound. This means the subwoofer has popped out, causing the suspension, cone and voice coil to fracture and break apart. After you hear a popping sound, the sound coming from the subwoofer thereafter will sound altered and popping. Once you are sure the subwoofer is blown, turn down the volume immediately and adjust the settings as you desire (i.e. turn down the bass settings and turn the treble settings back up to normal).
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Tips & Warnings
If you blow a subwoofer, it can be expensive and a hassle to replace.
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