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I used to wonder about what looks like asbestos surrounding the coil wire in some field coil speakers. Wouldn't the speaker vibration loosen microscopic particles into the air? I think the bakelite Admiral TVs have speakers like that. Then again, before 1985, asbestos was put in alot of things including hair dryers. Maybe if the owners of sets like these wound up in nursing homes at 95 years of age - you'd be OK. If you are worried about such things, an easy solution is a PM speaker and a power resister setup. Just don't dig into the field coil.
Last edited by Nuke; 03-18-2014 at 06:40 PM.
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03-17-2014, 06:53 PM
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