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In Reply to: NOS Sylvania 6L6GB black plates posted by krankkall on March 3, 2016 at 14:21:10:
I ended up replacing a GE 5UGB rectifier tube, with an RCA 5R4GB rectifier tube.
That lowered the B+ enough, so that instead of plate dissipation being 98%, it is now 86%.
Steve
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- RE: NOS Sylvania 6L6GB black plates - krankkall 06:37:54 03/04/16 (0)