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(!!) (Pair) 37 Sylvania 1940 era used/good no printing (6.6ma and 6.5ma) (Same Gm) 1-2% matched
(!!!) (Best Pair) JW-6AS6=409A Western Electric NOS 1949-1950 (5.0ma and 5.2ma) (Best Sound)
(!!!!) (Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 faded printing (9.6ma)
(!!!!) (Single) 12BH7A Sylvania gray oval plates "O" getter NOS 1960 era (10.4/7.6ma)
(!!) 6SH7 GE metal can NOS 1976 (12.2ma)
(!!!) (BEST PAIR #2) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.2ma and 7.3ma)
(!!!!) (Best Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (8ma)
6SJ7 RCA used/good 1940's (2.8ma)
(!!!) (Single) 12AT7 GE gray plate NOS 1978 (9.5ma/12.5ma)
(!!!) (Good Value Single) 6SN7GT Tungsol parallel gray plates NOS 1953 double large "O" mica - vertical crack in base (9.8/8.2ma) (rare)
(!!!!) (Best Single #2) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (10.4ma and 11.0ma) (close Gm) (oldest single)
(!) (BEST PAIR) 6K7GT=VT-86B Sylvania JAN used/strong 1940's (10ma and 10.2ma)
(!) (PAIR) 6K7GT=VT-86B Sylvania JAN used/good 1940's (8.6ma and 8.8ma) (same Gm)
EF89=6DA6 Philips Miniwatt Holland used/good 1960 (7.6ma)
6AW8A Sylvania NOS 1960's with special silver oxide coating (2.4/21.5ma)
6AW8A Sylvania NOS 1960's with special silver oxide coating (2.8/28ma)
JAN-CHS-7A8 Sylvania tests like new 1940's (88/60)
7A8 RCA tests like new 1940's (84/60)
6AW8A Sylvania NOS 1960's (4.5/19ma)
75 Philco by Sylvania Dual-Diode Triode used/strong 1930's pins cleaned (27/19)
