Beryllium Dome Drivers
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Beryllium Dome Drivers| socal sam |
Posted: December 14, 2008 08:59 am
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 Advanced Member  Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007  |
I am a huge fan of Yamaha NS-1000M's and IMO, the Beryllium mids and tweeters are what makes the soundstage and imaging so memorable. Interestingly, Be drivers are still used in Paradigm Reference speakers and Usher Dancer series, both of which I would like to hear. Here is some info on Be drivers:
http://www.berylliumproducts.com/Acoustics.aspx |
 
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| clint e. |
Posted: December 14, 2008 11:41 am
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 D161t@L 0N L1N3 / Analog at heart  Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
One of the biggest and more expensive speakers made in Europe, Focal.JMlab Grande Utopia Be, uses beryllium too.
 
Attached Image (Click thumbnail to expand)  --------------------   " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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| socal sam |
Posted: December 14, 2008 12:03 pm
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Advanced Member Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
The Focal Grand Utopia Be is 450 pounds each!
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| clint e. |
Posted: December 14, 2008 12:07 pm
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D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
Yeah. And, they cost around $90,000.  -------------------- " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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| Mark B |
Posted: December 14, 2008 07:34 pm
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 excitable boy  Group: Charter Member Posts: 849 Member No.: 5 Joined: June 29, 2006 |
Sure they're expensive, but I'll bet they sound really good. |
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| dingus |
Posted: December 14, 2008 08:14 pm
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 How can people be so cruel? Group: Admin Posts: 4734 Member No.: 3 Joined: June 29, 2006 |
ADS used beryllium mids and tweets in their magnificent L1530.
-------------------- Teledyne AR9, Yamaha B-2x, Yamaha M-2, Hafler DH-110, EAD DSP 1000, Wadia WT-3200.
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| socal sam |
Posted: December 14, 2008 08:58 pm
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Advanced Member Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
Most ADS I seen and heard use rather cheap looking drivers so if in fact they used Be in the L1530, that would be a surprise. I Did a web search on the L1530 and couldn't confirm the domes are Be. Do you have more info? |
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| dingus |
Posted: December 14, 2008 09:56 pm
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How can people be so cruel? Group: Admin Posts: 4734 Member No.: 3 Joined: June 29, 2006 |
my mistake, they used samarium cobalt on the tweeter only, not beryllium (dang those confusing exotic metals), per the L1530 owners manual courtesy of Duffinators ADS Speaker Reference pages @ http://sportsbil.com/ads/.
also posted in the Brochure here at ST http://www.sound-thinking.org/index.php?sh...indpost&p=31832 -------------------- Teledyne AR9, Yamaha B-2x, Yamaha M-2, Hafler DH-110, EAD DSP 1000, Wadia WT-3200.
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| socal sam |
Posted: December 16, 2008 03:17 pm
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Advanced Member Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
Here is a pic of the L-1530 from my local CL. BTW, for sale at $300. NOT MINE!
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| dingus |
Posted: December 16, 2008 03:29 pm
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How can people be so cruel? Group: Admin Posts: 4734 Member No.: 3 Joined: June 29, 2006 |
if they are in good operational condition thats a steal.
-------------------- Teledyne AR9, Yamaha B-2x, Yamaha M-2, Hafler DH-110, EAD DSP 1000, Wadia WT-3200.
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| fiftyone50 |
Posted: January 11, 2009 09:39 am
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Sound Thinking Member Group: Members Posts: 10 Member No.: 635 Joined: January 10, 2009 |
The pioneer DSS-E6, DSS-7, and DSS-9/E10's have boron cone midranges and horn loaded beryllium ribbon tweeters. They use TAD drivers, and TAD uses beryllium a lot.
Boron is element number 5 on the periodic table, it's pretty nice for sound transfer applications too! Ribbon tweeters are my personal favorite  The Pioneer S-910 and S-1010 also have beryllium ribbons. |
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