Mullard Magic: For All Your Vintage Valve and Radio Needs!
5U4GB, CBS-HYTRON, 1956 MANUFACTURE, 5U4
6U5G, BRIMAR, 1956 MANUFACTURE
6X4, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, 1956 MANUFACTURE
CV493, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, FACTORY CODE Yy1 J6D, 1956 MANUFACTURE