In Reply to: RE: Rare Earth Magnets posted by unclestu on April 9, 2012 at 17:57:59:
Fortunately, the polarity reverse with each magnet srip. There are some planars that do use neodynium magnets -- Graz's super Apogees, the big Wisdom in-walls, the smaller BG "Neo" and Eminent Tech drivers. Also some true ribbons.
The reason they aren't usually used in big planars is that they're so expensive. The more efficient speaker would cost the customer more than a larger amp would.
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Follow Ups
- RE: Rare Earth Magnets - josh358 15:31:21 09/15/12 (0)