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407A LM Ericsson Sweden used/good 1960's
407A Western Electric like new 1968 in white box (54/26 and 64/26)
(!!) (Best Overall Single) 407A Western Electric NOS 1963 (53/26 and 53/26) 1-2% section balance
(!) (Best Single) 407A Western Electric NOS 1962 (44/26 and 49/26)
(1 PAIR) 408A Western Electric used/good 1964 (79/60 and 78/60)
416B=6280 WE NOS
416C Western Electric
420A WE NOS "D" getter 1962 (1.9/2.3ma)
420A WE NOS "D" getter 1970 (1.4/1.8ma)
437A Western Electric (sold out)
6AS6=409A Western Electric used/tests like new 1951 (5.4ma)
(!) (Best Single) )6J7 GE NOS 1969 (2.4ma)
(!!!) (Recommended Pair) 407A Western Electric NOS "D" getter 1962-1970 (36-39/26 and 34-38/26)
(!!!!) (Best Single) 5842=417A Amperex "PQ" Holland "D" getter Gold Pins NOS 1956-1959 (35ma)
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)
(!!!) (Best Pair) CK-5755=420A Raytheon clear top NOS 1965 (1.9/2.1ma and 2.1/2.1ma)
(!!!) (3rd Best Pair) CK-5755=420A Raytheon clear top NOS 1965 (1.6/2.0ma and 1.6/2.0ma) 1% matched
(!!!) (4th Best Pair) CK-5755=420A Raytheon clear top NOS 1965 (1.7/1.8ma and 1.8/1.9ma)
