The Talking Machine Forum — For All Antique Phonographs & Recordings

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 Post subject: Re: Not Too Shabby For A Reproducer!
PostPosted: Fri Mar 12, 2010 8:22 am 
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Victor III
Joined: Thu Jan 08, 2009 8:00 am
Posts: 999
Very nice "toy", indeed!

Do you bought a "Duplex Speaker" or a "New Duplex Speaker" (with the body made in one piece)?

Does it really "increase the clearness of the music, by utilizing the vibrations from the under side of the glass diaphragm"??


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 Post subject: Re: Not Too Shabby For A Reproducer!
PostPosted: Fri Mar 12, 2010 9:50 am 
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Victor Jr
Joined: Tue Dec 29, 2009 3:35 am
Posts: 23
Location: Brisbane Australia
TinfoilPhono wrote:
You know, it doesn't look half bad on a Class M, either. ;)

Image

What's that glass thing on the left with wire coming out of it?


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 Post subject: Re: Not Too Shabby For A Reproducer!
PostPosted: Fri Mar 12, 2010 9:57 am 
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Victor V
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Joined: Thu Jan 08, 2009 2:33 pm
Posts: 2902
Location: Near NY's Capital
It's a battery.

Sean


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 Post subject: Re: Not Too Shabby For A Reproducer!
PostPosted: Fri Mar 12, 2010 10:19 am 
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Victor V
Joined: Fri Jan 09, 2009 3:47 am
Posts: 2442
Location: Jerome, Arizona
A Grenet cell battery -- that is what powers a 'Class M'. Practical spring motors came after battery motors. The upper portion of the 'Class M' mechanism unbolts from the lower part and may be fixed to a spring motor-powered bottom (Google 'Amet Motor' for another example). This is the genesis of the Edison 'Spring Motor Phonograph' powered by the Frank L. Capps-designed three-spring 'Triton' motor, which morphed into the 'Triumph' and laterally developed into the 'Concert' -- and 'Idelia' eventually.
"All of us have a place in history. Mine is clouds." Richard Brautigan


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