In Reply to: Tubes with brownish deposit posted by JCJames on October 26, 2006 at 17:27:15:
We often saw it in Sino 2A3s, after a few hundred hours. Used to joke it was second-hand smoke from the factory workers cigarettes. :^) Never seemed to have any sonic or lifetime effects. Now we're using the Sovteks so I don't know if it's still common.
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Follow Ups
- Re: Tubes with brownish deposit - Paul Joppa 16:48:21 10/27/06 (1)
- The brownish deposit - unclestu52 00:31:05 10/28/06 (0)