Question about Car Audio & Video
Here is one quick little way to test the speaker.
Disconnect the wires from the amp that go to the speaker and touch them to a 9 volt battery.
If the speaker moves and you hear a sound then it is NOT blown and if you hear nothing and it does not move then chances are you have a blown woofer.
There are of course other more technical ways to test it with a digital millimeter but the simple 9volt battery quick test is easiest.
If t he voice coil is shorted and blown then there is usually no way to fix that and you would have to replace the speaker. (Some speakers like JL Audio W7 series have removable voice coils that can be replaced but most speakers do not.)
Posted on Dec 11, 2008
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Posted on Jan 02, 2017
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