(!!!) (Good Value Single) 5U4G=VT-244 Sylvania used/good 1940's (51/40 and 52/40)
(!!!) (Good Value Single) 5U4G=VT-244 Sylvania used/good 1940's (52/40 and 56/40)
(!!!) (Good Value) 5V4G=CV729 Brimar UK gray plates "D" getter halo 1950's used/good (59/40 and 65/40)
(!!!) (Good Value) 5V4G=CV729 Brimar UK gray plates "D" getter halo 1950's used/tests like new faded printing (60/40 and 62/40)
(!!!) (READ REVIEW) 5V4G RCA branded GE NOS 1958 (60/40 and 60/40)
(!!!) (Recommended Pair) 5Y3GT Philips Holland NOS 1960's (61-68/40 and 60-68/40)
(!!!) (Recommended Pair) 6X5GT GE NOS 1961-1963 (50-50/40 and 49-49/40 x 2 tubes)
(!!!) (Recommended Pair) 83 Sylvania branded RCA NOS 1984 original boxes (61-62/40 and 60-62/40)
(!!!) (Recommended Pair) 866A GE NOS 1971
(!!!) (Recommended Quad) 5Y3GT Philips Holland NOS 1960's (1 set of 4)
(!!!) (Recommended Single) 5U4G Tungsol low hours/tests like new 1955 (57/40 and 57/40)
(!!!) (Recommended Single) 5Y3GT RCA NOS 1970 (56/40 and 64/40)
(!!!) (Recommended Single) 5Y3GT RCA NOS 1972 (54/40 and 62/40)
(!!!) (Recommended Single) 6106 Bendix rebranded 5Y3WGTA Heintz & Kaufman NOS (64/40 and 65/40)
(!!!) (Recommended Single) 6106 Bendix rebranded 5Y3WGTA Heintz & Kaufman NOS (64/40 and 66/40)
(!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (53/40 and 54/40)
(!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (54/40 and 55/40)
(!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (54/40 and 56/40)
(!!!) (Recommended Single) 6X5GT Sylvania Silvertone NOS 1945 (52/40 and 53/40)
(!!!) (Recommended Single) CV378=GZ37 Mullard NOS "O" getter halo 1967 (50/40 and 50/40)