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Cossor 172B valve query
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Return to top of page · Post #: 1 · Written at 4:19:23 PM on 9 July 2023.
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Location: Bathurst, NSW
Member since 7 August 2008 Member #: 336 Postcount: 391 |
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In a 20's set I have there are two Cossor 172B valves. 4 volt battery valves, on the label state they are H.F and detector. Designed for high frequency coupling and rectification. |
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