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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: RE: Mylar posted by Roger Gustavsson on June 15, 2017 at 04:39:53:
The cost in the Neo drivers is in the Neodymium which costs far more than the equivalent magnetic flux from standard strip magnets.
GT audio do their magnets in Neo and use copper on the metalized membrane. I don't know which film they use, but I suspect it is something like Kaladex since it would allow a higher operating temperature for the copper traces and thus a thinner metal foil/metalized layer that would compensate for the heavier copper. With a push pull you get 95 db sensitivity if you wanted to. As they are at 92 db sensitivity for the current model 3 that gives you 6-8 db more sensitivity than the 3.7 so you can get the same output with 1/4 of the current.
I don't know what diaphragm material he chose. He uses aluminum metalized mylar for backing the ribbon which is full length like the maggie ribbon tweeter
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- RE: Mylar - Satie 11:07:40 06/15/17 (0)
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