RE: Thoughts on red-plating a tube?

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In Reply to: RE: Thoughts on red-plating a tube? posted by boeingpilot on May 21, 2015 at 10:43:59:

Check the warranty for the new tubes. Some places give up to 6 months warranty for a bad tube. Also, you should add a 470 Ohm, 1 w resistor in series with each screen grid. That may prevent future red plating caused by screen shorts. I did it and haven't had a tube go red since a few years ago.
I replaced the four power tube and rectifier tube with Japanese ceramic octal sockets in case loose pins are the issue.

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Follow Ups Full Thread

Topic - Thoughts on red-plating a tube? - boeingpilot 10:15:16 05/21/15 (5)

RE: Thoughts on red-plating a tube? - boeingpilot 10:43:59 05/21/15 (2)

RE: Thoughts on red-plating a tube? - Audio Pete 09:51:26 05/30/17 (0)

RE: Thoughts on red-plating a tube? - petercapo 10:51:15 05/21/15 (0)

RE: Thoughts on red-plating a tube? - petercapo 10:40:36 05/21/15 (1)

RE: Thoughts on red-plating a tube? - boeingpilot 10:48:38 05/21/15 (0)

Follow Ups

RE: Thoughts on red-plating a tube? - Audio Pete 09:51:26 05/30/17 (0)

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