(!!!!) (Pair) JAN-5842WA Raytheon NOS 1984 (17.5ma and 17.6ma) 1-2% matched
(!!!!) (Pair) JAN-5842WA Raytheon NOS 1984 (18.0ma and 18.4ma) 1-2% matched
(!!!!) (Set of 10) 5842Q Raytheon NOS 1983 (10 tubes for $279.99) (all test between 19ma-24ma
(!!!!) (SINGLE) 7581A GE tan base NOS 1965 (62ma)
7581 Tungsol brown base used/75% 1964 (52.5ma)
7581A GE branded RCA NOS 1974 (59.5ma)
7581A GE branded RCA used/good 1973 (56ma)
7581A GE NOS 1979 (76ma)
7581A GE NOS 1979 (87ma)
7581A GE used/good 1974 (59ma)
