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In Reply to: RE: Sylvania labeled 6550 posted by elflow on July 1, 2015 at 07:50:41:
Sorry that is not correct. Sylvania and GE made 6550s from the sixties both had straight sided bottles like the one shown in FenderLover's picture.
However, both Sylvania and GE rebranded Tung Sol 6550s and those all had the "coke bottle" glass.
All great tubes.
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Follow Ups
- RE: Sylvania labeled 6550 - Mendel 06:47:28 07/02/15 (0)