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(!) (Best Single) 6V6GT Tungsol gray plate coated glass NOS 1951-1956 (64ma)
49 Tungsol NOS 1940's (45/28)
(!!!!) (Best Single) 6550 Tungsol branded RCA NOS vented plate NOS 1965 (130ma) (Recommended for Audio Research Ref power supply)
(!!) JTL-5687WA Tungsol bronze plates "O" getter used/good 1958 (30/30.5ma)
(!) (Single) 6550 Tungsol black plate used/good 1950's (115ma)
(!) (Recommended Single) 6BQ5 Tungsol NOS 1960 era (39ma)
(!!!) (Best Single) JAN-6094 Tungsol NOS 1968 made on Bendix tooling (63ma)
6B8 Tungsol NOS (56/29)
(!!!) (Recommended Tungsol Single) JAN-6384 Tungsol NOS 1972 (62ma)
25AC5GT Tungsol NOS 1950 (68/38)
(!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS "O" getter halo 1960 era (9.8/9.6ma)
(!!!!) (Best Tungsol Single) 6V6GT Tungsol gray plate/coated glass NOS 1945 era - some surface oxidation on metal can (45.5ma)
(!!) (Best Single) 6550 Tungsol gray plate with vent holes NOS 1966 (163ma)
6J6A Tungsol NOS "D" getter 1961 (3 in stock)
6S8GT Tungsol tests like new scratches on base 1952 (102/60)
(!!) (BEST PRICE!) 6W4GT Tungsol NOS (10 tubes for $27.99)
6SS7 Tungsol NOS 1955 (100/60)
6A3 Tungsol coated glass used/good 1940's (60ma)
(!) JAN-6384 Tungsol NOS 1972 (72ma)
6L6GC Tungsol used/good around 1960 - broken center guide pin (73ma)
