(!!) (Pair) 6146W GE JAN NOS 1987 (82ma and 84ma)
(!!) (PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (48.5ma and 48.6ma)
(!!) (PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (51ma and 52.5ma)
(!!) (PAIR) 6CB6A RCA NOS (8.2ma and 8.5ma)
(!!) (PAIR) 6CB6A RCA NOS 1960's - 1970's (7ma and 7ma)
(!!) (Pair) 6DQ5 RCA black plate NOS 1970's (70ma and 77ma)
(!!) (Pair) 6DQ5 RCA gray plate NOS 1970 (114ma and 124ma)
(!!) (PAIR) 6HB5 Sylvania branded RCA NOS (74ma and 79ma)
(!!) (Pair) EL822 Mullard black plate NOS 1973-1974 (40ma and 41ma)
(!!) (PAIR) EL86 GE Japan by Toshiba 1976 (65ma and 70ma)
(!!) (Recommended Mullard Pair) EL36 Mullard branded International NOS 1969 (82ma and 88ma)
(!!) (Recommended Pair) 1619 RCA NOS 1952 - 1960's (52ma and 53.6ma)
(!!) (Recommended Pair) 30 Sylvania like new - same plates - different shape top mica (2.7ma and 2.9ma)
(!!) (Recommended Pair) 6AQ5A Sylvania branded RCA black plate NOS 1970's (50ma and 46.5ma)
(!!) (Recommended Pair) 6AV5GA GE NOS 1960's same build (1) CBS (1) Admiral (50ma and 55ma)
(!!) (Recommended Pair) 6AV5GA GE NOS 1968 (45ma and 50ma)
(!!) (Recommended Pair) 6BQ5=EL84 GE NOS 1959-1961 (50.5ma and 52.5ma)
(!!) (Recommended Pair) 6CB5A Sylvania branded Dumont NOS 1960's (58ma and 60ma)
(!!) (Recommended Pair) 6CB5A Sylvania branded Dumont NOS 1960's (82.5ma and 85ma)
(!!) (Recommended Pair) 6CB5A Sylvania branded Dumont NOS 1964-1966 (65ma and 66ma)