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6LQ6=6JE6C Sylvania used/tests like new 1970's (123ma)
6LU8 International Servicemaster Korea NOS (4.6/50ma)
6LX6=6LF6 Sylvania Philips NOS (91ma)
6N7 RCA used/tests like new 1942 era (3.3/3.1ma)
6N7GT RCA branded Sylvania NOS 1950's (2.5/2.6ma)
6N7GT RCA NOS 1940's (2.5/3.1ma)
6N7GT RCA used/good 1940's (2.4/2.3ma)
6P5GT Sylvania NOS 1947 (5.0ma Gm=1400)
6P5GT Sylvania NOS 1947 in white box (5.3ma Gm=1400)
6U4GT US Brands NOS (3 in stock)
6U8A Philips by Sylvania NOS 1987 (20.2ma and 7.5ma)
6V6GT GE coin-base NOS 1985 (40.6ma)
6V6GT Hytron black plate like new smeared printing 1947 (44ma)
6V6GT MWT Italy coated glass NOS 1940's (42ma)
6V6GT RCA BROWN BASE - gray coated glass - used 1951 (35ma)
6V6GT Sylvania chrome top black plate coated glass NOS 1953-1954 (43ma)
6X5GT GE used/good 1963 (48/40 and 49/40)
6X5GT Ken Rad 1940's used/good (51/40 and 53/40) (RCA construction)
6X5GT Philco by Sylvania used/good 1940's tilted top mica (54/40 and 60/40)
6X5GT Sylvania chrome top NOS 1958 (51/40 and 52/40)