Mullard Magic: For All Your Vintage Valve and Radio Needs!
EL84, MULLARD, YELLLOW PRINT, kM1 B5G2, BLACKBURN JULY 1965 PRODUCTION
EL84, MULLARD, NEW SHIELD, MATCHED PAIR, SIMILAR FACTORY CODE kM1 B1L1, kM1 B1L2, BLACKBURN NOVEMBER 1971 MANUFACTURE
EL84, MULLARD, NEW SHIELD, KM1 B4L2, BLACKBURN NOVEMBER 1974 PRODUCTION
EL84, MULLARD, NEW SHIELD, KM1 B5G1, BLACKBURN JULY 1975 PRODUCTION
EL84, MULLARD, NEW SHIELD, KM1, B1D1 BLACKBURN APRIL 1971 PRODUCTION
EL84, MULLARD, OLD SHIELD, KM1 B9K1, BLACKBURN DECEMBER 1969 PRODUCTION