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JAN-CAHG-5R4WGA Chatham by Tungsol NOS 1959 (55/40 and 64/40)
(!!!) (Recommended Single) JTL-6X4WA Tungsol NOS 1965 tests like new (64/40 and 66/40) (Highest testing single)
6P5GT Tungsol NOS 1947 (5.6ma Gm=1450)
6A3 Sylvania branded Tungsol used/good 1940's (70ma)
117L7GT Tungsol NOS 1948 (78/50)
(!) JTL-12AU7 Tungsol narrow plates "D" getter NOS 1955 bottom mica is tilted (10.4/10.6ma)
1258 Tungsol NOS (1 in stock)
12A8GT Tungsol used/good 1940's (92/60)
6336A Tungsol used 1963 (52/56ma) ***
(BEST SINGLE) 6SF5GT Tungsol NOS 1940's (1.1ma Gm=1500)
(!) 8BQ5 Tungsol NOS 1960 era (40ma)
(!!) (Best Pair) 6J6A Tungsol NOS "D" getter 1961 (9.4/10.5ma and 9.0/11.4ma)
(!!) (Recommended Pair) 6AE5GT Tungsol branded RCA NOS 1940's (6.7ma and 6.8ma)
3S4 Tungsol NOS 1944 (101/60)
0C3W Tungsol rebranded 0C3 National NOS (1 in stock) (argon)
(!) (Best Value Single) 5U4G Dumont by Tungsol used/good 1954 (50/40 and 52/40)
56 Tungsol rebranded Raytheon tests like new 1940's (6.1ma)
(!!!) (Best Pair) 12BA6 Tungsol NOS 1960 era (10.2ma / 11.0ma)
(!) 80 Tungsol ST-shape tests like new 1940's (57/40 and 60/40)
(!!!) (Pair) JTL-6AK5 Tungsol gray plate "D" getter used/good 1952 (5.7ma/5.8ma)