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 Post subject: Surprise found inside an Edison reproducer
PostPosted: Fri Sep 21, 2018 2:16 pm 
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Victor O
Joined: Mon Aug 30, 2010 9:28 am
Posts: 82
I brought a new Edison Home home (to my house) and got it working. The Model C reproducer sounded just awful, though. There was barely any volume. Meanwhile, the carriage lift lever was detached and the screw was missing. I took apart the reproducer, and found a mica diaphragm. There was also something lodged beneath it. I took the diaphragm off, and there was my missing screw. Weird. Maybe they had put it there for safe-keeping?


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Mica 1.jpg
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Mica 2.jpg
Mica 2.jpg [ 770.57 KiB | Viewed 397 times ]


Last edited by MikeB on Fri Sep 21, 2018 11:58 pm, edited 1 time in total.
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 Post subject: Re: Surprise found inside an Edison reproducer
PostPosted: Fri Sep 21, 2018 8:08 pm 
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Victor V
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Joined: Tue Dec 14, 2010 1:17 am
Posts: 2934
Location: Where there's "hamburger ALL OVER the highway"...
The early Model C did use a mica diaphragm.

Bill


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 Post subject: Re: Surprise found inside an Edison reproducer
PostPosted: Fri Sep 21, 2018 8:48 pm 
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Victor O
Joined: Mon Aug 30, 2010 9:28 am
Posts: 82
Thanks, Bill. I did not know that.


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 Post subject: Re: Surprise found inside an Edison reproducer
PostPosted: Sat Sep 22, 2018 1:54 pm 
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Victor III
Joined: Sat Feb 20, 2010 8:02 pm
Posts: 886
Location: Melbourne, FL
"The early Model C did use a mica diaphragm."

Yes, They sure did. In all my years of reading, It was suggested that the Mica Diaphragms were used until 1903, then I read later on last year in an article they may have been used up to 1906 (Maybe just older 1903 stock sitting on a shelf at Edison Phono Works being sold until 1906?..) ....It's hard to pin down an "exact" date I have found...as to when the Mica stopped and the Copper Diaphragms started.

:o)

Tony K.

Edison Collector/Restorer


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