Mullard Magic: For All Your Vintage Valve and Radio Needs!
6U8, BRIMAR, ECF82,
6U8, SYLVANIA, GOLD BRAND, ECF82, 1960S PRODUCTION WITH GOLD PINS
6U8A, RCA, SYLVANIA BOXED, ECF82, 1960S PRODUCTION
EFC82, MULLARD, FADED YELLOW PRINT, FACTORY CODE, 4X5 L3C1, MBLE BRUXELLES 1963 MANUFACTURE