In Reply to: RE: Altec 340a and 440b - Found posted by Crazy Dave on May 6, 2014 at 08:15:38:
Those appear to be 6L6GC's. (nice RCA Blackplates!) They will work in a 6550 socket assuming they are biased correctly.
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Follow Ups
- RE: Altec 340a and 440b - Found - Alpha Al 18:42:24 05/06/14 (2)
- RE: Altec 340a and 440b - Found - cubsfan 07:45:36 05/07/14 (1)
- RE: Altec 340a and 440b - Found - Crazy Dave 08:39:38 05/07/14 (0)