The Talking Machine Forum — For All Antique Phonographs & Recordings

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 Post subject: Re: What is this machine, and does the reproducer look right
PostPosted: Thu Apr 11, 2019 5:23 pm 
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Victor Jr
Joined: Wed Jun 14, 2017 11:24 pm
Posts: 36
Well, that would explain why it's so heavy!


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 Post subject: Re: What is this machine, and does the reproducer look right
PostPosted: Fri Apr 12, 2019 5:01 am 
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Victor II
Joined: Thu Apr 27, 2017 5:52 am
Posts: 225
Location: Redruth, Cornwall, U.K.
There is always something to learn on this board. For fifty years or more I have believed that neither copper nor aluminium diaphragms were ever used commercially on the sound-boxes of disc machines (other than those of Edison) until the Victor/H.M.V. No. 5 series appeared in the late 1920s; and yet here, if I have understood rightly, we are discussing a Columbia machine of about 1915 which was fitted with such a diaphragm from new. Is this correct? Is it common to find metal diaphragms as original equipment on pre-1929 boxes?

Oliver Mundy.


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 Post subject: Re: What is this machine, and does the reproducer look right
PostPosted: Fri Apr 12, 2019 9:45 am 
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VTLA
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Joined: Thu Aug 19, 2010 9:36 am
Posts: 2547
Location: Delaware
If I am not mistaken, some BusyBee (or Aretino?) front mount machines also had a metal diaphragm before 1910. I believe they were painted in bright color matching the horn.

Andreas


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