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In Reply to: RE: TAD 2001 Driver beryllium diaphragm I need one posted by steveaaaa on September 30, 2013 at 13:06:54
I suspect the way to get a diaphragm is from TAD but that they would only repair one from one of their speakers. I recall casually asking about getting the drivers and was told they don't sell them separately. And if you could get one it's going to cost. Years ago the mid diaphragm alone cost the $200 to make. Now add in markup, etc.
Follow Ups:
Firstly it's hard for me to believe that pure beryllium metal is publicly available (it's a critical component of nuclear weaponry).
Secondly, beryllium metal shouldn't be touched or mucked with in anyway in a home environment. Small bits are very toxic to the lungs. If you need to, perform all operations with a serious respirator, mask & gloves.
beryllium is toxic in dust or vapor form. Once formed into the finished shape it can be handled with little or no danger.
If it was so toxic many audiophile connectors would not exist as many use beryllium copper alloys ( Z bananas and such). The old Shinon Red cartridge used a beryllium cantilever, but quit production because the Japanese maker had to comply with new OSHA type laws in Japan
In addition some tools are made with beryllium, particularly those in the gas industry, as beryllium tools are non sparking.
The V15 5 had a beryllium cantilever also and the Yamaha 100 speaker had domes for the mid and tweeter of the material. Focal make tweeters of it as does Scanspeak, etc., etc.
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