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6EY6 US Brands NOS (2 in stock)
6F6 GE metal can NOS 1952 (38ma)
6F6G National Union black plate NOS 1951 (40.5ma)
6F6G RCA Cunningham used/good 1947 (31ma) (Gm like new)
6F6G RCA Victor used/strong 1945 era (30.6ma) (Gm like new)
6F6G Tungsol used/strong 1940's (34ma) (Gm like new)
6F6GT GE NOS 1952 (32ma)
6F6GT Sylvania used/good 1949 broke off guide pin (32ma)
6F8G GE black parallel ribbed plates NOS 1940's (6.2ma/7.2ma)
6F8G GE parallel plates NOS 1940's (8.0ma and 8.4ma)
6F8G Raytheon NOS 1945 era (5.8/5.4ma)
6F8G Raytheon staggered black ribbed plates used/strong 1940's (7.6ma and 8.8ma)
6F8G RCA gray ribbed staggered plates NOS no printing 1950 era (7ma/8ma)
6F8G RCA Radiotron staggered black ribbed plates used/good 1940's (9.0/7.2ma)
6FQ7 Realistic by GE NOS gold plated pins 1970's (8/6ma)
6FW8 RCA "D" getter NOS around 1960
6GJ5 SYLVANIA BRANDED DUMONT NOS (60ma)
6GJ5 Sylvania branded Dumont NOS 1960's (60ma)
6GJ5A RCA branded GE NOS 1965 (98ma)
6GJ7=ECF801 Siemens branded RCA NOS