(!!!!) (BEST PAIR) 6AK5 Western Electric NOS 1957-1958 (10.1/10.2ma)
(!!!!) (Recommended Pair) 403B Western Electric NOS "D" getter halo 1970-1971 (5.5/5.5ma)
(!!!!) (Recommended Pair) 403B Western Electric NOS "O" getter halo 1977-1980 (6.4/6.1ma)
(!!!!) (Recommended Pair) JTL-6AK5 Tungsol used/good 1953-1954 (8.2/8.2ma) 1% matched
(!!!!) 5654=6AK5W GE 5 Star NOS (7.2ma)
(!!!!) 6AK5 GE NOS 1964 (7.5ma)
(!!!!) 6AK5 GE NOS 1973 (10.2ma)
(!!!) (Best Pair) 6AK5 RCA gray plate NOS 1964 (10.1/10.2ma)
(!!!) (Best Pair) 6AK5=403A Western Electric NOS "D" getter halo 1957-1959 (7.7/8.0ma)
(!!!) (GOOD VALUE PAIR) 6AK5 Western Electric used/good 1957 D getter (5.5/5.7ma)
(!!!) (Recommended Pair) JTL-6AK5 Tungsol gray plate "D" getter used/very good 1952 (6.3ma and 6.6ma)
(!!) (1 set of 10 tubes) 403A=6AK5 Western Electric used/good D getter halo 1950-1959 (1 set of 10 tubes)
(!!) (Best Single) 6AK5 Western Electric NOS 1956 (8.5ma)
(!!) (Best Single) 6AK5 Western Electric NOS 1959 (9.0ma)
(!!) (Good Value Pair) 403B=6AK5 Western Electric "O" getter NOS 1972-1974 (5.9/6.0ma) (same Gm)
(!!) 6AK5 Western Electric NOS 1955 (6.6ma)
(!!) 6AK5 Western Electric used/good 1955 (5.7ma)
(!!) 6AK5 Western Electric used/good 1955 (6.2ma)
(!) 5654=6AK5W Amperex Globe Logo by Mullard UK NOS 1968 (6.4ma)
(!) 5654=6AK5W Amperex PQ by RCA black plate NOS 1978 (7.0ma)
