(!!!) (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 1974 (60/40 and 65/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (57/40 and 58/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1971 (56/40 and 58/40)
(!!!) (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)
(!!!) (Recommended Single) EZ80 Mullard France NOS "O" getter halo 1970 (62/40 and 64/40)
(!!!) (Recommended Single) EZ81=6CA4 RFT East Germany NOS 1970's faded printing (50/40 and 50/40)
(!!!) (Recommended Single) JTL-6X4W Tungsol NOS 1955 curved "D" getter (48/40 and 50/40)
(!!!) (Recommended Single) JTL-6X4W Tungsol NOS 1955 curved "D" getter one section of internal plate bent at bottom (52/40 and 57/40)
(!!!) (Recommended Single) JTL-6X4WA Tungsol NOS 1962 curved "D" getter (55/40 and 60/40)
