Kiwis (or Aussies), have you tried these? - diyAudio
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Old 28th March 2008, 07:22 AM   #1
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Join Date: Feb 2003
Location: New Zealand
Default Kiwis (or Aussies), have you tried these?

Found these kevlar drivers...

http://www.surplustronics.co.nz/shop/cat124.html

...by accident.

Scroll down a little. Yellow cones.

Kevlar. Big magnet. The TS params are listed, follow the link.

Anyone used them?

For NZ-available drivers they look incredibly well priced. Remind me of others, but can't think what.

Mos
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Old 28th March 2008, 10:06 AM   #2
zBuff is offline zBuff  New Zealand
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Sorry haven't tried them, but Surplustronics always seems to have some nice treasures every now and again. I just wished I lived in Auckland

Would be interested to know how the sound if you get around to trying them
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Old 28th March 2008, 04:27 PM   #3
sreten is offline sreten  United Kingdom
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Hi, source : http://www.skytronic.com/ , /sreten.
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Old 28th March 2008, 08:25 PM   #4
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Sreten, I did see that link on the site but it kept bringing me back to the same page.

Anyway, here's the Skytronics page:

http://www.skytronic.co.uk/product/index.php?s=902.420

Anyone in the UK used them?
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Old 29th March 2008, 12:59 AM   #5
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I have a pair of polys 902.214 in the box for two years now. I would like to measure those yellow cakes. No reference to Le though on T/S.pdf or any information for it's output in frequency. Nice buy and good for testing. You can never go wrong. Next manufacturer close in parameters is a 10" Beyma for double that price but good documentation and better quality and Vas, being the same syze and type of cone. More powerfull for this brand though and to prove it the vented coil in the back. If you buy the 6.5" (fs=50Hz) then is a good main speaker (or mid) or whatever, but be cautioned with the hard kevlar cone.
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Old 29th March 2008, 01:29 AM   #6
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Here's the WinISD plot for the 6.5" unit.

20l box tuned to 40hz.
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File Type: png skytronics 423 6.5.png (5.7 KB, 93 views)
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