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Old 19th May 2017, 10:21 am   #7
60 oldjohn
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Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,962
Default Re: Valve-operated Fonadek telephone amplifier

Quote:
I bet there are not too many of those which have survived.
Maybe correct, I only have the transistorised version.

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John.
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