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(!!) (Best Single #2) EC86 Telefunken Germany <> bottom NOS 1961 (10.3ma)
(!!) (Best Single #3) 6EW7 Sylvania BIG BOTTLE NOS 1960's (3.8/49ma)
(!!) (Best Single #3) EC86 Telefunken Germany <> bottom NOS 1960's no printing (12.4ma) (Copy)
(!!) (Best Single 1958) ECC189=6ES8 Amperex Holland "D" getter NOS 1958 (12.0/13.4ma)
(!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS "O" getter halo 1960 era (9.8/9.6ma)
(!!) (Best Single) 12BH7A Channel Master Japan by Hitachi 1959 (14.2/13.2ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!) (Best Single) 12BH7A Westinghouse Canada ribbed plates NOS 1967 (12.2/14.2ma)
(!!) (Best Single) 12BY7A Tungsol NOS 1960 era (29.5ma)
(!!) (Best Single) 13EM7 RCA coin-base black plates NOS 1970's (2.7/47.2ma)
(!!) (Best Single) 26 Deforest Audion balloon tests like new 1920's (8.3ma, Gm=1300)
(!!) (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 RCA NOS 1968 (16.8/16.6ma)
(!!) (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)
