(!!!!!) (Best Overall Pair) EL84 Mullard UK NOS 1967-1969 (53ma and 53.2ma)
(!!!!!) (Recommended Mullard Pair) 6BQ5=EL84 Mullard UK branded RTC England NOS 1971-1978 (45.5ma and 48.0ma)
(!!!!!) (Recommended Pair) EL84 Telefunken Germany <> bottom test like new 1960's (53ma and 57.4ma)
(!!!!!) (Recommended Quad) EL84 SIEMENS HALSKE GERMANY NOS 1969 (50.5/52.2/54.4/54.6ma)
(!!!!) (Best Brimar Pair) EL84 Brimar England NOS 1962 with slightly tilted glass (51ma and 53ma) (see other picture in listing)
(!!!!) (Best Mullard Pair) EL84 IEC Mullard UK NOS 1969-1972 (46ma and 48ma)
(!!!!) (Best Pair) 6BQ5 Sylvania black plate NOS 1970 era (51.6ma and 52ma)
(!!!!) (BEST PAIR) 6BQ5 Sylvania black plate NOS 1970 era (52.5ma and 52.8ma)
(!!!!) (Best Pair) 6BQ5 Sylvania black plate NOS 1970 era (58.5ma and 59ma)
(!!!!) (Best Pair) 7189 Sylvania black plates NOS 1970 era (42ma and 46ma)
(!!!!) (BEST SIEMENS PAIR) EL84 Siemens Halske Germany NOS 1969 (47.5ma and 50.4ma)
(!!!!) (BEST SIEMENS PAIR) EL84 Siemens Halske Germany NOS 1969 (57.5ma and 60ma)
(!!!!) (Best Siemens Pair) EL84 Siemens Halske Germany used/test like new 1971 (48.2ma and 48.5ma) (High Gm)
(!!!!) (Best Value Pair) 6BQ5 Sylvania used/good 1970 era (41ma and 46ma)
(!!!!) (Best Value Pair) EL84 Mullard UK NOS 1969 and 1972 (50.4ma and 53.5ma) (close Gm)
(!!!!) (BEST VALUE PAIR) EL84 Telefunken Germany <> bottom used/good 1960's no printing (38.5ma and 36ma)
(!!!!) (Recommended GE Pair) 6BQ5 GE NOS 1969-1970 (64ma and 65ma) (recommended for FIXED-BIAS amp only due to high current)
(!!!!) (Recommended Pair) 6BQ5 RCA NOS 1960's (50.5ma and 48.2ma)
(!!!!) (Recommended Pair) EL84 Brimar England NOS 1959 and 1961 (47ma and 46.6ma)
(!!!!) (Recommended Pair) EL84 Telefunken Germany <> bottom NOS 1963-1966 (68ma and 69.5ma) (recommended for FIXED-BIAS amp only due to high current)