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(!!!!) 6AK5 GE NOS 1973 (10.2ma)
6AK5 Westinghouse NOS 1970 (6.6ma)
(!!) (Recommended Single) 6AK5 Tungsol gray plate NOS 1956 (8.3ma)
(!) JHS-6AK5 Sylvania NOS 1954 (5.5ma)
(!!) 403B Western Electric NOS D getter 1956 (7.0ma)
(!!) 403A=6AK5 Western Electric NOS 1974 (6.6ma)
(!!) (Best Single) JW-6AK5 Western Electric NOS "D" getter 1953 (6.2ma)
(!!) 403B=6AK5 Western Electric NOS "O" getter 1980 in 1979 box (5.8ma)
(!!) 403A=6AK5 Western Electric NOS "D" getter 1971 (6.8ma)
(!!) 403A=6AK5 Western Electric used/good 1970 (8.2ma)
(!!) (Single) 403B=6AK5 Western Electric NOS "O" getter halo 1969 (5.3ma)
(!!) 403A=6AK5 Western Electric "D" getter like new 1966 (7.5ma)
(!!!) (Best Single) 403A Western Electric NOS "D" getter 1957 (8.7ma)
(!!!!) (Best Value Pair) JHY-6AK5 Hytron black plate NOS 1952 (6.8ma and 6.8ma) 1% matched
(!!!!) (Best Pair #3) JHY-6AK5 Hytron black plate NOS 1952 (7.9ma and 8.0ma) (close Gm) 1-2% matched
(!!!) (Best Pair) JHY-6AK5 Hytron black plate NOS 1952 (8.0ma and 8.1ma)
(!!) (Set of 4) JHY-6AK5 Hytron black plate NOS 1952 (test between 6-8ma unmatched) (4 for $39.99)
(!!!!) (Best Pair #2) JHY-6AK5 Hytron black plate NOS 1952 (8.9ma and 9.3ma)
(!!!) (Single) 403A Western Electric NOS "D" getter 1957 (5.7ma)
(!!!) (Best Pair) JHY-6AK5 Hytron black plate NOS 1952 (8.7ma and 8.8ma)