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Are kevlar drivers bulletproof?

post #1 of 20
3/4/10 at 8:10pm
Thread Starter 
Hello people, I know it's a silly question, but because bullet proof are also made of kevlar, I couldn't help but ask the question! I don't know if the thickness of the kevlar plays an important role in stopping bullets from penetrating through. All I know is that the way the material is stitched and the close proximity of the kevlar fibers are what keep things from penetrating the armor. If kevlar drivers aren't bulletproof, then can something like a needle penetrate it? Just wondering...
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post #2 of 20
3/4/10 at 8:45pm
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post #3 of 20
3/4/10 at 8:48pm
No and no.

Reason? Drivers are thin.
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post #4 of 20
3/4/10 at 11:01pm
Is this a "kevlar" JOKE?? If this is a real ? then the answer is YES they can be penetrated and even come apart at the weaves, if the surround doesn't fail first.....
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post #5 of 20
3/4/10 at 11:41pm
Beamthegreat has a mate.?
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post #6 of 20
3/5/10 at 12:04am
Do you plan on sticking needles into your drivers? They aren't voodoo dolls, you know.

If it's an OCD thing, you should probably remove all sharp objects from your house.
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post #7 of 20
3/5/10 at 2:32pm
No!
A kevlar speaker cone is not designed to be bullet proof, while a bullet proof kevlar vest is. Just look at the thickness of the material
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post #8 of 20
3/5/10 at 3:09pm
If you don't like the sound produced by your speakers I don't think shooting them will help improve them.
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post #9 of 20
3/5/10 at 4:30pm
Apple in conjunction with B&W and LL Bean are developing a kevlar vest speaker. Just plug in LOD iPod jack and you are one killer sound system! Possible names anyone?
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post #10 of 20
3/5/10 at 11:07pm

Why Is Kevlar Used In Speakers?

"Kevlar is a light, strong woven synthetic fiber impregnated with a stiffening resin that cures during the cone forming process. The cone is then further treated with a polymer coat, which seals the fibers and adds damping.

Kevlar utilized:

The midrange is where the real musical action is invariably found, and a smooth midband is an invaluable loudspeaker quality. Enter Kevlar. It’s been B&W’s cone material of choice since 1974, and with good reason. The use of Kevlar results is a semi-flexible cone, which exhibits a peculiar style of break-up behavior, not found in more conventional materials, that maintains a more constant dispersion pattern at all frequencies in its range and transmits far fewer delayed, time-smearing sounds to the listener. Not only does it deliver a cleaner sound, it can do so to a wider group of listeners."-Bowers & Wilkins
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post #11 of 20
3/6/10 at 2:58am
Yes.
Didn't you know that the police use them for their vests? That's why you can hear their raido.... :P
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post #12 of 20
3/7/10 at 11:17pm
Crap!!! I think he's dead - I guess the answer is no then.
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post #13 of 20
3/7/10 at 11:19pm
There's only one way to test this... Scientifically, of course.
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post #14 of 20
3/7/10 at 11:42pm
i'll provide the gun if you provide the speakers.
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post #15 of 20
3/8/10 at 12:13am
If a Kevlar driver weighed as much as a Kevlar bulletproof vest then it would be a very poor speaker driver. Kevlar speaker cones are thin. Kevlar bulletproof vests are thick.

A good question for Mythbusters. How many Kevlar speaker cones would it take to be bulletproof? Line up 100 of them back to back and see if a bullet can make it through all of them.
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