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(!!!!) UX-280 RCA Radiotron Balloon used/60% 1930 era some white oxide flakes inside tube (38/40 and 38/40)
5U4GB RCA BALDWIN used/good 1962 glass slightly tilted in base (53/40 and 53/40)
6146A GE NOS 1965 (69ma)
19J6 RCA Victor NOS 1949
(!!) (Recommeded Pair) 6BX7GT GE branded NOS "D" getter 1958 - 1 tube branded RCA (72ma/95ma and 92/87ma) (highest mA and Gm)
W-45788 Crosley ballast used/good 1940's (247 ohms pins 3-7)
6CG3 RCA NOS 1970's (1 in stock)
3S4 RCA branded CBS NOS 1961 (98/60)
E88C Siemens Halske rebranded RCA Germany NOS 1968 (14ma)
6CH8 US Brands NOS (8 in stock)
(!!) 6U8A Westinghouse NOS 1967 (24ma and 7.5ma)
6AX4GTB RCA used/tests like new 1964 (57/40)
17CT3 RCA NOS
42 RCA used/good 1940's (27.2ma)
12AF6 US Brands NOS (8 in stock)
6ER5 RCA branded GE NOS 1960's (12ma Gm=10,800)
5876A Tungsol NOS 1968 (1 in stock)
7C6 RCA Victor like new 1948-1950 (23/15)
5V3 Raytheon branded RAD-TEL NOS 1961 (53/40 and 54/40)
2051=VT-109 RCA used/good 1940's smaller getter
