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Old 2nd March 2012, 02:14 PM   #1
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Default (Elector) New speaker material increases 'back [enclosure] volume'

Miracle Material Doubles Speaker Volume For Better Bass Response - ELEKTOR.com | Electronics: Microcontrollers Embedded Audio Digital Analogue Test Measurement
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Old 2nd March 2012, 02:21 PM   #2
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pictures ?
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Old 2nd March 2012, 11:38 PM   #3
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Pictures at the link. Its main target market appears to be cellphones. (There's a lot of work being done on improving the performance of transducers for use in cellphones, tablets etc.)
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Old 3rd March 2012, 03:05 PM   #4
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would be good to have that material for hifi speakers
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Old 3rd March 2012, 03:22 PM   #5
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I was listening today at one of the latest android cell phones , and the ringing tone - the classic 'DRIIIIIIIN !' - was very powerful , fine and detailed
Indeed , I was using a 3/4" multimedia speaker - found in a LCD monitor - with a waveguide as a tweeter .It's rated at 2W/4Ω .
If someone's looking for cheap & powerful tweeters , this is it
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Old 3rd March 2012, 04:11 PM   #6
tvi is offline tvi  Australia
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EP2424270 seems to be the patent and is similar to US2010074463 that uses carbon instead of zeolite.
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Old 3rd March 2012, 08:41 PM   #7
tvrgeek is offline tvrgeek  United States
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High tech wool. Whoopee.
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Old 3rd March 2012, 08:52 PM   #8
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I use memory foam since 2006 when I first saw mattresses. They were pretty expensive, but I found factory rejects on epay. I don't know how this fancy patented materials are better, though...
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Old 4th March 2012, 08:32 AM   #9
Elvee is online now Elvee  Belgium
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Quote:
Originally Posted by Wavebourn View Post
I use memory foam since 2006 when I first saw mattresses. They were pretty expensive, but I found factory rejects on epay. I don't know how this fancy patented materials are better, though...
Does it actually lower the resonance frequency of the assembly?
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Old 4th March 2012, 02:47 PM   #10
tvrgeek is offline tvrgeek  United States
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Quote:
Originally Posted by Wavebourn View Post
I use memory foam since 2006 when I first saw mattresses. They were pretty expensive, but I found factory rejects on epay. I don't know how this fancy patented materials are better, though...
To suppress reflections or as friction filler?
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