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In Reply to: Oops...time to change that tube posted by Byrd69 on June 25, 2023 at 16:25:19:
when SED 6550Cs start inhaling B+ fuses at specified bias. Time for new tubes! I'm on the last of four sets over the years since they are no longer in production. Two years into current set.
Will be moving to KT88s next time. Gold Lion if Russia decides to join the world again, Shuguang if not.
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Follow Ups
- About every five years - E-Stat 05:16:37 06/30/23 (0)