6LU8 International Servicemaster Korea NOS (4.6/50ma)
6LX6=6LF6 GE Zenith NOS 1978 (99ma)
6LX6=6LF6 Sylvania Philips NOS (91ma)
6N7GT RCA branded GE NOS 1940's (2.8/2.9ma) (Highest Gm)
6N7GT RCA branded Philco NOS 1940's (2.7/2.9ma)
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 branded Raytheon used/good 1962 (32.4ma)
6V6GT RCA BROWN BASE - gray coated glass - used 1951 (35ma)
6V6GT Sylvania chrome top black plate coated glass NOS 1953-1954 (43ma)
6V6GT Sylvania coated glass used/good 1953 (38.2ma)
6V6GT Tungsol black plate used/good 1950's (38ma)
