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(!!) (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) 6JS6C Lindal Japan NOS 1970's (129ma)
(!!) (Best Single) 6JS6C Westinghouse Japan NOS 1970's (121ma)
(!!) (Best Single) 6L6GC GE like new "D" getter 1959 (76ma)
(!!) (Best Single) 6LQ6=6JE6C Raytheon Japan NOS 1970's (122ma)
(!!) (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) 6V6GT=VT-107A National Union coated glass NOS 1943 (46.2ma)
(!!) (Best Single) 7788=E810F Amperex PQ Holland NOS 1965 (41ma)
(!!) (Best Single) 7788=E810F Amperex PQ Holland NOS 1966 (50ma)
(!!) (Best Single) 7AF7 Sylvania branded Hytron NOS round black plates NOS 1952 (9.6/9.4ma) 1-3% section balance
(!!) (Best Single) 7N7 Sylvania branded Philco NOS parallel black plates 1940's (7.5/7.9ma)
(!!) (Best Single) 8068 GE tan base NOS 1964 (44ma)
(!!) (Best Single) E180F=6688 Philips Miniwatt SQ Holland gold pins "D" getter NOS 1957 (14.2ma)
(!!) (Best Single) EC92=6AB4 Siemens Halske Germany NOS 1971 (10.2ma)