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Old 6th April 2009, 05:09 AM   #1
diyAudio Member
 
Join Date: Dec 2004
Location: Mountain View, California
Default New technology from the UK

I thought this would be of interest to the readers of this section:

http://news.bbc.co.uk/2/hi/technology/7976991.stm

A new "flexible film technology" for speaker applications.

They have a website here:

http://www.warwickaudiotech.com/

But rather little info about the active ingredients & operating principle beyond a comparison to ESLs. If I get a chance, I'll try and dig around for patent material.

Ed
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Old 6th April 2009, 07:30 AM   #2
Ziggy is offline Ziggy  Australia
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Nice find Ed

But, it's only a midrange transducer?......what the???
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Old 6th April 2009, 05:20 PM   #3
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I reckoned as much, but just thought it intriguing. Agreed, it's hard to see how this might develop into something with the qualities we seek for "Hi Fi".

Ed
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Old 6th April 2009, 05:56 PM   #4
Few is offline Few  United States
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Their website is sure short on details! From the sound of it (sorry for the unintentional pun) they have a pair of conducting electrodes sandwiching a piezoelectric polymer. If it works when flat, then I wonder if applying a voltage modulates the polymer's thickness. That would be different from most other piezoelectric polymer applications, such as the tweeters in the Gallo loudspeakers and the old Pioneer HPM speakers from the 70s. Of course I could be completely wrong and it might have nothing to do with piezoelectricity...
Few
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