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Chinese researchers create speaker from carbon nanotubes

post #1 of 8
11/6/08 at 9:47am
Thread Starter 
Chinese researchers create speaker from carbon nanotubes | Geek.com

"Research being carried out at Tsinghua University in China has found that it is possible to create a speaker from a thin film of carbon nanotubes. As you can see from the video above, this makes it possible to integrate the speaker on a gadget directly into its screen or casing."
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post #2 of 8
11/6/08 at 12:56pm
that. is. awesome.
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post #3 of 8
11/6/08 at 3:03pm
But does it sound any good? And might it not become invasive if used in the ways described in the article? I can imagine this becoming excruciatingly annoying.
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post #4 of 8
11/6/08 at 3:13pm
I'm sure it will have limits and quirks. There are a number of oddball transducers (e.g. plasma, piezo, et al.) that are unconventional and all have limitations for quality audio (with an emphasis on quality). Others, like electrostats, ribbons, AMTs, planars, Mangers, etc. tend to only do well in the upper frequencies. This is interesting, but there will probably be some drawback to replacing dynamic drivers.
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post #5 of 8
11/6/08 at 6:28pm
I'm sure there would be. It's basically the standard used throughout most audio products in existence, it's got to count for something. Plus this nano-speaker sewn into clothes, or on billboards would end up driving most people insane. Just imagine a series of billboards shouting their slogans from the sky.
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post #6 of 8
11/7/08 at 6:30pm
Quote:
Originally Posted by Uncle Erik View Post
I'm sure it will have limits and quirks. There are a number of oddball transducers (e.g. plasma, piezo, et al.) that are unconventional and all have limitations for quality audio (with an emphasis on quality). Others, like electrostats, ribbons, AMTs, planars, Mangers, etc. tend to only do well in the upper frequencies. This is interesting, but there will probably be some drawback to replacing dynamic drivers.
Plasma's real limitation are health and safety concerns (Ozone, KV power, etc)... As far as classical physics is concerned, it's the "ideal" driver... nearly no moving mass, adjustable Q..
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post #7 of 8
11/7/08 at 8:39pm
Do you think it would work to use a couple sheets of this stuff to create an electrostat? Like, speakers within a speaker? Multiple drivers in one?
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post #8 of 8
11/7/08 at 11:21pm
Thread Starter 
Price is way too high to worry about this for quite a while, me thinks
mass production of carbon nanotubes is within the near future, but will still take quite a bit of time before we see it hitting the market o.o
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