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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Testing for shorts on a B&K 747 - how reliable? posted by kmcdonou on January 8, 2007 at 08:44:11:
This is sounding like a tube in its final days. The intermittent short may be a breakdown in the cathode-to-heater insulation. The "questionable" result for mutual conductance is a reasonable sign that it is on its way out.
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Follow Ups
- Re: Testing for shorts on a B&K 747 - how reliable? - akanalog@yahoo.com 13:48:27 01/08/07 (2)
- Re: Testing for shorts on a B&K 747 - how reliable? - kmcdonou 14:08:20 01/08/07 (1)
- There's no way I can think of to find an intermittent short - Hirsch 11:31:10 01/09/07 (0)
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