(!!!!) (BEST PAIR) JW-6AK5=403A Western Electric NOS 1952 same date codes (7.3/7.5ma)
(!!!!) (Recommended Pair) 403B Western Electric NOS "O" getter halo 1977-1980 (6.4/6.1ma)
(!!!!) (Recommended Pair) JTL-5654=6AK5W Tungsol used/like new 1953-1954 (9.3/9.8ma)
(!!!!) (Recommended Pair) JTL-6AK5 Tungsol used/good 1953-1954 (8.2/8.2ma) 1% matched
(!!!!) 6AK5 GE NOS 1964 (8.6ma)
(!!!) (BEST VALUE PAIR) JW-6AK5=403A Western Electric used/like new D getter halo 1950-1953 (6.0/6.0ma)
(!!!) (GOOD VALUE PAIR) 6AK5 Western Electric used/good 1957 D getter (5.5/5.7ma)
(!!!) (Recommended Pair) 6AK5=403A Western Electric NOS "D" getter halo 1957-1959 (7.7/8.0ma)
(!!!) (Recommended Pair) JTL-5654=6AK5W Tungsol gray plate "D" getter used/very good 1953-1954 (7.5ma and 7.7ma)
(!!!) (Recommended Pair) JTL-6AK5 Tungsol gray plate "D" getter used/very good 1952 (6.3ma and 6.6ma)
(!!!) (Recommended Pair) JTL-6AK5 Tungsol gray plate "D" getter used/very good 1952-1953 (7.2ma and 7.8ma) (Same Gm)
(!!) (1 set of 10 tubes) 403A=6AK5 Western Electric used/good D getter halo 1950-1959 (1 set of 10 tubes)
(!!) (Recommended Pair) 6AK5=403A Western Electric like new 1952-1958 (7.0ma and 7.1ma) (best 6AK5 sub)
(!!) (Recommended Single) 6AK5 Tungsol gray plate NOS 1960 era (7.2ma)
(!!) 6AK5 RCA gray plate NOS 1970 era (8.3ma)
(!!) 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)
5654=6AK5W=EF95 Radio Technique (RT) France NOS 1962 (5.7ma)
