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(!!!!) (Recommended Pair) 417A Western Electric NOS 1980 (32ma and 34ma)
(!!!!) (Recommended Pair) 5842=417A Amperex "PQ" USA Nickel Pins "O" getter halo NOS 1985 (35ma and 37ma)
(!!!!) (Set of 10) 5842Q Raytheon NOS 1983 (10 tubes for $279.99) (all test between 19ma-24ma
(!!!) (Best Overall Single) 5842 Raytheon branded RCA NOS windmill getter galo 1967 (43.8ma Gm=32,000)
(!!) (SINGLE) 417A Western Electric NOS "O" getter 1980 (28.8ma)
(!!) (SINGLE) 417A Western Electric NOS 1982 (20ma)
(!!) 5842 Raytheon branded RCA NOS 1976 (20ma and Gm=20,000)
(!) (Pair) 417A Western Electric used/good 1977 (12.2ma and 14ma)
(!) (SINGLE) 417A/5842 LM Ericsson Sweden NOS "O" getter halo 1960's (35ma and Gm=29,700)
(!) 417A/5842 LM Ericsson Sweden used/good "O" getter halo 1960's (19ma and Gm=23,900)
(Henry Sennett pair) JAN-5842WA Raytheon NOS 1984-1985
5842Q Raytheon NOS 1983 (21ma and Gm=21,600)
F-52984=417A Western Electric used/good 1959 (20ma and Gm=18,100)
JAN-5842 Amperex USA Nickel Pins NOS 1983 (20.2ma Gm=20,800)
JAN-5842 Amperex USA Nickel Pins NOS 1983 (30ma and Gm=27,000)