Advantages of beryllium?


Can someone please explain the advantages of beryllium drivers over titanium or aluminum?

Also, how concerning are health risks associated with beryllium?

many thanks for your input. 
defiantboomerang
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Now boys........behave...it is just a hobby.......just go on tweeter and let loose....that has become trendy now..
I've backed up my statements as much as anyone on Audiogon. That's all you get little troll.
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Actually kosst, some of us are operating even below erik’s "low standard", and enjoy reading his posts.