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Old 14th October 2010, 07:13 AM   #1
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Default dual concentrics? where can i get some?

im thinking small 4" - 6" drivers, along the lines of the uni q drivers. cone material unimportant at this stage. anyone have any ideas where i could find some?
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Old 14th October 2010, 07:42 AM   #2
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Check this ,although it is the smaller of the 3 ;the newest coaxials from Ciare.
http://www.ciare.com/pdf/catalogo/HX165.PDF
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Old 14th October 2010, 10:54 AM   #3
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CEILING SPEAKERS
These guys sell KEF, Visaton, and sonance, mainly designed for in-ceiling use.

The cheapest way is probably to buy a secondhand pair of KEF Q35 say? off ebay and discard the cabs. Free XOs to play with too.
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Old 14th October 2010, 11:13 AM   #4
PMA is offline PMA  Europe
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Do you like dual concentrics?

Stereophile: Tannoy Churchill loudspeaker

http://stereophile.com/images/archivesart/tanfig7.jpg

John Atkinson:"In the time domain, the Tannoy's impulse response (fig.6) looks typical of a design that uses a high-order crossover. Indeed, the step response (fig.7) confirms my suspicion from the impulse response that the Churchill is not time-coherent, despite its use of a coaxial drive-unit that places the tweeter diaphragm close to the acoustic center of the woofer. The tweeter output arrives at the measuring microphone first, followed by the woofer output."
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Old 14th October 2010, 05:34 PM   #5
inrank is offline inrank  United Kingdom
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Wow those new Ciare Coaxials look interesting! The 10" especially
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Old 15th October 2010, 12:12 AM   #6
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Tannoy have a constructor series or some such name for in wall or in ceiling speakers of smaller size. You can buy these and pull the driver and the xover.
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Old 15th October 2010, 12:16 AM   #7
ra7 is offline ra7  United States
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I heard the tannoy dual concentric in a voight pipe at a diy speaker contest. Sounded quite good... it definitely had the coherence of a good full range driver. Produced good amounts of bass too.

The drivers were obtained from ebay... like James says, you can buy the ceiling speakers and pull the drivers from there.
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Old 15th October 2010, 12:24 AM   #8
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http://www.lowellmfg.com/technical/a...x%20driver.pdf

Better yet

http://www.lowellmfg.com/technical/a...l%20driver.pdf

Last edited by hitsware; 15th October 2010 at 12:40 AM.
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Old 15th October 2010, 03:12 AM   #9
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great thats some leads for me to start following!

I would go FR but.... I have never liked the sound of the HF on any ive heard, esp above about 7k, and esp when cranked up LOUD. I figure this is the best compromise for me.

Thanks all.
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Old 15th October 2010, 03:43 AM   #10
gooki is offline gooki  New Zealand
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Reckhorn.com

Last edited by gooki; 15th October 2010 at 03:47 AM.
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