(!!!!!) (Best Overall Pair) 311B Western Electric NOS 1956 and 1964 (35ma and 36ma)
(!!!!!) (Best Overall Pair) 311B Western Electric NOS 1972-1974 (32ma and 33.4ma)
(!!!!!) (Best Overall Pair) 311B Western Electric NOS 1972-1974 (36.2ma and 37.8ma)
(!!!!!) (Best Overall Pair) 336A Western Electric NOS 1956-1957 (42.0ma and 43.3ma) (Highest Ma) (matched on Amplitrex)
(!!!!!) (Best Overall Pair) 403B Western Electric NOS "D" getter 1969 (9.6/10.2ma) (same Gm)
(!!!!!) (BEST PAIR #1) 417A Western Electric NOS 1980 (42.5ma and 43ma)
(!!!!!) (Recommended Pair) 336A Western Electric NOS 1956 (39ma and 42ma) (matched on Amplitrex)
(!!!!) (1 Pair) 408A Western Electric "D" getter NOS 1956-1961 (72/60 and 72/60)
(!!!!) (2nd Best Single) 5842=417A Amperex "PQ" Holland "D" getter Gold Pins NOS 1956-1959 (23ma)
(!!!!) (Best Overall Pair) JAN-5755 Raytheon Black Plates NOS 1973-1979 (1.9/2.0ma and 1.9/1.9ma) (Highest mA and Gm) 1-2% matched
(!!!!) (Best Pair #2) JAN-5755 Raytheon Black Plates NOS 1973 (1.6/1.7ma and 1.7/1.8ma) (High Gm)
(!!!!) (Best Pair) 102F Western Electric NOS 1967 large getters (1.0ma and 1.1ma) (High Ma and Gm)
(!!!!) (BEST PAIR) 309A Western Electric NOS 1960 (4.8ma and 5.1ma) (same Gm)
(!!!!) (Best Pair) 311B Amperex made in Russia NOS 1977 (34.2ma and 34.5ma) (very good construction)
(!!!!) (BEST PAIR) 408A Western Electric NOS 1976 and 1982 (86/60 and 88/60)
(!!!!) (BEST PAIR) 408A Western Electric NOS 1976 and 1984 (91/60 and 91/60)
(!!!!) (BEST PAIR) 417A Western Electric NOS 1980 (42.5ma and 44ma)
(!!!!) (Best Pair) 429A Western Electric NOS 1978 (47-47/20)
(!!!!) (Best Pair) 429A Western Electric NOS 1978 (47-50/20)
(!!!!) (Best Pair) 429A Western Electric NOS 1978 (51-53/20)
