6R7GT Haltron England 1940's tests like new (85/48) strong single
6R7GT Ken Rad NOS 1944 (100/48)
6R7GT Ken Rad NOS 1944 (108/48)
6R7GT RCA NOS 1940's (2 in stock)
6SH7GT Raytheon NOS 1940's (9.5ma)
6SQ7GT Fonoco by Sylvania used/strong 1951 (1.1ma and Gm=1100)
6V6GT Hytron black plate like new smeared printing 1947 (44ma)
6V6GT RCA branded Raytheon used/good 1962 (32.4ma)
6V6GT RCA BROWN BASE - gray coated glass - used 1951 (35ma)
6V7G Sylvania NOS 1940's reboxed
6V7G Tungsol NOS 1940's
71A Raytheon 4-Pillar box-plate used/strong 1930's (24.8ma)
71A Raytheon NOS 1940's (27.5ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)
71A Sylvania branded Hytron NOS 1947 (22ma)
75=VT-75 RCA Dual-Diode Triode NOS 1948 (36/19)
75=VT-75 Tungsol Dual-Diode Triode used/good 1940's (34/19)
76 Aristocrat by Sylvania 1940's used/good (3.8ma)
76 Croydon by Sylvania engraved base used 1930's (4.5ma) (Gm is 60%)
76 Delco by RCA 1940's used/good (4.1ma)