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(!!) (Best Single) 5687 Tungsol rebranded CBS black plates "U" getter NOS 1950's (38/48ma)
(!!) (Best Single) 5965 Sylvania NOS 1960's (21/19ma)
(!!) (Best Single) 6AH4GT Sylvania branded Hytron "D" getter NOS 1954 (48ma) (Highest mA and Gm)
(!!) (Best Single) 6AN8A RCA NOS 1960's (15.6/16.5ma)
(!!) (Best Single) 6AN8A Sylvania branded National U getter NOS 1960 era (18/16.2ma)
(!!) (BEST SINGLE) 6BL7GTA Tungsol NOS 1960 era (43/44ma)
(!!) (BEST SINGLE) 6BX7GT Sylvania triple mica NOS 1950's (55/57ma) (1-3% section balance)
(!!) (BEST SINGLE) 6CG7 RCA clear top chrome shield NOS 1960's (10ma/9.4ma)
(!!) (Best Single) 6DJ8 Sylvania NOS 1970 (22ma and 21ma)
(!!) (BEST SINGLE) 6DN7 GE branded RCA NOS 1960's (64ma and 7.2ma)
(!!) (Best Single) 6EW7 Sylvania BIG BOTTLE NOS 1960's (7.8/56ma) (highest Ma and Gm)
(!!) (Best Single) 6SL7GT GE short round chrome plates NOS 1970's (2.9/2.5ma)
(!!) (Best Single) 6SL7GT GE short round chrome plates NOS 1970's (2.9/2.9ma) 1-2% section balance (Highest mA and Gm)
(!!) (Best Single) 6U8A Philips by Sylvania NOS 1986 (22.4ma and 12.2ma) (Highest mA and Gm)
(!!) (Best Single) 7788=E810F Amperex PQ Holland NOS 1965 (41ma)
(!!) (Best Single) 7788=E810F Amperex PQ Holland NOS 1966 (50ma)
(!!) (Best Single) 7N7 Sylvania branded Philco NOS parallel black plates 1940's (7.5/7.9ma)
(!!) (Best Single) EC92=6AB4 Siemens Halske Germany NOS 1971 (10.2ma)
(!!) (Best Single) ECH81=6AJ8 Telefunken Germany <> bottom NOS 1960's faded printing (6.5ma and 13ma)
(!!) (Best Single) JAN-5693 GE JAN Black Can NOS 1978 (3.0ma)