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Hello. New to the Forum, so of course I posted this queston before I read through all the Forum topics. Anyway, does anyone know who, specifically, manufactured the 6550 tubes sold under the Mesa name in the mid 90's? Thanks

Hello everyone. New to the forum - I'll post this on the "misc" site also. Does anyone know who (specifically)manfactured the 6550 replacement tubes available in in mid 90's? Thanks