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(!!) (1 Pair) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 (8.6ma and 9.0ma)
(!!) (1 Pair) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 (8.8ma and 9.4ma) (same Gm)
(!!) (1 PAIR) 8FQ7/8CG7 GE NOS (6.0/6.1ma and 5.8/6.0ma)
(!!) (1 set of 10 tubes) 404A Western Electric used/good 1963-1967 (set of 10)
(!!) (2nd Best Pair) 6AE5GT Tungsol branded Delco and Radiotron NOS 1940's (7.4ma and 7.6ma)
(!!) (2nd Best Pair) 7199 Sylvania NOS 1960's and 1985 same build (12.5ma/9.6ma and 12.3/10.2ma) 1-3% matched
(!!) (Best Overall Single) E88C Siemens Halske Germany NOS 1967 (17.5ma)
(!!) (BEST OVERALL SINGLE) EC86 Telefunken Germany <> bottom gold pins NOS 1961 (15.5ma) (Highest mA and Gm)
(!!) (Best Pair #1) 12AU6 RCA NOS 1957-1959 (9.4ma and 9.6ma)
(!!) (Best Pair #1) 6CW4 RCA NOS 1963 (120/60 and 120/60)
(!!) (Best Pair #1) 6SH7 GE metal can NOS 1976 (12.8ma and 13.2ma) **
(!!) (BEST PAIR #1) EC86 Philips Import by Valvo Germany gold pins NOS 1960 (16.8ma and 17.0ma) (Highest Ma and Gm)
(!!) (BEST PAIR #1) EC86 Telefunken Germany <> bottom gold pins NOS 1960-1961 (11.7ma and 12.4ma) (close Gm)
(!!) (Best pair #2) 12AV7 GE gray plates U getter NOS 1963 (13.5/14.0ma and 12.6/13.3ma)
(!!) (BEST PAIR #2) EC86 Telefunken Germany <> bottom gold pins NOS 1960 (10.5ma and 11.2ma) (close Gm)
(!!) (Best pair #2) FAA-12AV7 Sylvania gray plates O getter NOS 1961 (15.8/16.2ma and 16.8/17.0ma)
(!!) (Best Pair #3) 6GJ7=ECF801 Mullard UK branded Amperex and RCA NOS 1970-1974 era (83-86/60 and 82-86/60)
(!!) (Best Pair #3) 6GJ7=ECF801 Mullard UK branded RCA NOS 1975-1976
(!!) (Best Pair) 12DT8 RCA gray plates NOS 1970's (11/12.2ma and 11/12.6ma)
(!!) (Best Pair) 5719 Sylvania Gold Brand NOS 1952 in white boxes (0.9ma/0.8ma) 1-3% matched
