6F6=VT-66 RCA metal can NOS 1940's (40.5ma)
6F6G National Union black plate NOS 1951 (40.5ma)
6F6G National Union used/good mid-1940's (47ma)
6F6G RCA Cunningham used/good 1947 (31ma)
6F6G RCA NOS 1949 (35.8ma)
6F6G RCA NOS 1957 (42.2ma)
6F6G Tungsol burgundy base NOS 1951 (31.2ma)
6FW5 GE rebranded branded RCA NOS (53ma)
6FW5 GE rebranded branded RCA NOS 1966 (80ma)
6G11 US Brands NOS (10 in stock)
6GA7 GE branded Raytheon NOS (4 in stock)
6GB3A Raytheon NOS (6 in stock)
6GE5 Sylvania engineering sample like new 1960's in WB getters like new (48ma)
6GM5 Sylvania branded RCA NOS (52ma)
6GM5 Sylvania branded Westinghouse NOS 1974 (48ma)
6GM5 Sylvania NOS no printing in RCA box (52ma)
6GT5A RCA used/good 1960's (60ma)
6GT5A Sylvania branded GE tipped top NOS 1960's (78ma, Gm=7700)
6GT5A Sylvania tipped top NOS 1960's (85ma, Gm=8200)
6GU5 US Brands NOS (1 in stock)
