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Author Topic: 3-500ZG shelf life  (Read 10908 times)
K4RVN
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Posts: 760




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« Reply #45 on: May 25, 2012, 03:55:39 PM »

The tube pins I have had trouble with on some early amps were on the bottom where the socket is located. The solder has actually run out. Never had a top one to fail from heat on a 3-500.  I think a properly cooled amp operated by the manual won't have the problem. Of course there are some who will abuse the tubes as I have also done in the past.

Frank
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