6G11 US Brands NOS (10 in stock)
6GA7 GE branded Raytheon NOS (4 in stock)
6GB3A Raytheon NOS (6 in stock)
6GE5 GE branded RCA NOS 1963 (58ma)
6GE5 Sylvania engineering sample like new 1960's in WB getters like new (48ma)
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)
6HB5 GE NOS 1977 (108ma)
6HB5 Sylvania NOS (90ma)
6HB5 Zenith by GE NOS 1977 (92ma)
6HF5 GE branded RCA NOS (102ma)
6HF5 RCA NOS 1968 (101ma)
6HF5 RCA NOS 1972 (123ma)
6HF5 RCA NOS 1972 (90ma)
6HF5 RCA used/good 1960's (95ma)
6HF5 Sylvania NOS 1970 era some small mica flakes inside tube (96ma)
