ALL AUDIO VALVES

EL84, ZAERIX, 1970s PRODUCTION,

EL84, WILLOW BOXED, RFT PRODUCED , 1974 PRODUCTION

EL84, TUBE AMP DOCTOR, TAD, MATCHED QUAD, SAME FACTORY CODE,

EL84, SOVTEK, MATCHED QUAD,

EL84, SIEMENS, kM04 code, NOVEMBER 1960 PRODUCTION

EL84, PINNACLE, TESTED

EL84, NEC, MATCHED QUAD, 4X, SAME PRODUCTION LINE, 1970s PRODUCTION,

EL84, NEC, 1970s PRODUCTION,

EL84, MULLARD, YELLLOW PRINT, kM1 B5G2, BLACKBURN JULY 1965 PRODUCTION

EL84, MULLARD, OLD SHIELD, rX1 BA5, BLACKBURN JANUARY 1955 PRODUCTION

EL84, MULLARD, OLD SHIELD, KM1 B9K1, BLACKBURN DECEMBER 1969 PRODUCTION

EL84, MULLARD, NEW SHIELD, KM1, B1D1 BLACKBURN APRIL 1971 PRODUCTION

EL84, MULLARD, NEW SHIELD, KM1 B5G1, BLACKBURN JULY 1975 PRODUCTION

EL84, MULLARD, NEW SHIELD, KM1 B4L2, BLACKBURN NOVEMBER 1974 PRODUCTION

6094 BENDIX, MATCHED PAIR, TE-18, REDBANK PENTODE MIL SPEC 6AQ5 6005 USED AS ALTERNATIVE TO EL84 7189 NEW BULK PACKED

U78, GEC 6X4, WHITE PRINT, DECEMBER 1951 BRITISH MANUFACTURE

EZ90, PINNACLE BADGED GE, BOXED, NOS, 6X4

CV493, MIL SPEC 6X4, BRIMAR, RED PRINT, FOOTSCRAY MARCH 1951 MANUFACTURE

CV493, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, FACTORY CODE Yy1 J6D, 1956 MANUFACTURE

CV493, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, AUG 1952 MANUFACTURE

6Z4J, B7G, RECTIFIER VALVE, FOR LITTLE BEAR AMP, T10, NOS

6X4, SYLVANIA, NOS IN ZAERIX BOX, GREEN PRINT, APRIL 1976 PRODUCTION, 6X4W

CV493, BRIMAR, MIL SPEC, 6X4, WHITE PRINT, OCTOBER 1955 MANUFACTURE

CV493, BRIMAR, MIL SPEC, 6X4, WHITE PRINT, 1955 MANUFACTURE

CV4005, GEC, MIL SPEC 6X4, WHITE PRINT, HAMMERSMITH MARCH 1964 PRODUCTION

6X4, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, 1956 MANUFACTURE

6X4, BRIMAR, WHITE PRINT, GREY GLASS, SEPTEMBER 1957 MANUFACTURE

6X4, BRIMAR, WHITE & RED PRINT, JUNE 1961 MANUFACTURE

6X4, BRIMAR, ORANGE PRINT, FEBRUARY 1954 MANUFACTURE

6X4, BRIMAR, LIMITED WHITE PRINT, DEC 1961 MANUFACTURE

6X4, BRIMAR, LIMITED WHITE PRINT, BLACK GLASS

6X4 TUNG-SOL USA 1960s MANUFACTURE