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(!!!!!) (Best Overall Pair) ECC82=12AU7 Telefunken Diamond Bottom ribbed plates NOS 1958-1960 (9.0/10.2ma and 10/9.6ma) (Same Gm)
(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (11.6/11.4ma and 11.8/10.6ma) (same Gm) (best sound)
(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.6/11ma and 12.0/10.8ma) 1-5% matched (Highest mA and Gm) (best sound)
(!!!!!) (Best Overall Single #1) ECF80=6BL8 Telefunken Germany NOS 1971 (14.0/11.5ma) (Highest mA and Gm)
(!!!!!) (Best Overall Single #2) ECF80=6BL8 Telefunken Germany NOS 1971 (13.2/9.8ma) (best sound)
(!!!!!) (Best Pair #1) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (11.2/10ma and 11.2/9ma) (best sound)
(!!!!!) (Best Pair #2) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (11.5/9.6ma and 12.2/9.5ma) (best sound) 1-3% matched
(!!!!!) (Best Pair #2) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/8.8ma and 11.7/9.0ma) (best sound)
(!!!!!) (BEST PAIR) EL84=6BQ5 Telefunken Germany <> bottom NOS and low hours/like new 1955 and 1966 (51ma and 55ma)
(!!!!!) (Best Value Pair) 12AT7=ECC81 Telefunken Germany Diamond Bottom <> used/good 1960's (7.6/6.2ma and 6.2/7.2ma)
(!!!!!) (Nice Single) ECC82=12AU7 Telefunken Germany <> bottom ribbed plates used/good 1957 (8.5/8.2ma) (strong Gm)
(!!!!!) (Oldest Pair 1950's) ECC82=12AU7 Telefunken Diamond Bottom <> ribbed plates NOS 1955-1959 very good printing (9.2/9.0ma and 9.4/9.6ma)
(!!!!) (2nd Best Single) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.1/36.5ma)
(!!!!) (Best GE Single #1) 6U8A GE NOS 1980 (18.4/10.6ma)
(!!!!) (Best GE Single #2) 6U8A GE NOS "U" getter 1961 (17/9ma)
(!!!!) (Best Holland Single) EZ80=6V4 Philips Miniwatt Sittard Holland large "D" getter NOS 1955 (62/40 and 62/40)
(!!!!) (Best Holland Single) EZ80=6V4 Philips Miniwatt Sittard Holland large "D" getter NOS 1957 (64/40 and 64/40)
(!!!!) (Best Mullard) EZ80 Ediswan by Mullard UK "D" getter NOS 1958 (64/40 and 66/40)
(!!!!) (Best Overall Pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 same date codes (9.2/9.5ma) (mic)
(!!!!) (Best Overall Single) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1970 good printing (11.6ma and 11.5ma) (same Gm) 1-2% section balance
