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(!!) (SINGLE) 5963=12AU7 RCA NOS 1965 (10.8/13.2ma)
(!!) (Single) 5965A GE 5-Star NOS 1969 (14.8/11.8ma)
(!!) (SINGLE) 5R4GY RCA brown base NOS 1959 a few small vertical scratches on base (54/40 and 50/40)
(!!) (SINGLE) 5R4GYB RCA branded Westinghouse NOS 1962 (50/40 and 52/40)
(!!) (Single) 5U4GA GE "D" getter used/good 1954 (51/40 and 52/50)
(!!) (Single) 5U4GA GE "D" getter used/tests like new 1955 few small scrapes on base (58/40 and 59/50)
(!!) (Single) 5U4GA GE GM Delco "D" getter used/tests like new 1950's (54/40 and 55/50)
(!!) (Single) 5V4G RCA rebranded Westinghouse NOS 954 some vertical scratches/scrape on base, slightly tilted glass (56/40 and 56/40)
(!!) (SINGLE) 5Z3G RCA NOS 1957 (10 in stock) (special price)
(!!) (Single) 6060=12AT7 Brimar Thorn UK square black plates triple mica large "O" getter halo 1960 NOS (6.4/8.4ma) (Premium low noise 12AT7)
(!!) (Single) 6350 GE black ribbed plates NOS 1968 (9.0/9.2ma)
(!!) (Single) 6AQ5A GE NOS 1963 (38ma)
(!!) (Single) 6AQ5A GE NOS 1963 (45ma)
(!!) (Single) 6AS7G RCA branded GE black plates used/good 1952 (51ma/58.5ma)
(!!) (SINGLE) 6BL7GT Sylvania branded Tungsol triple mica NOS 1956-1957 (36.2/31.5ma)
(!!) (SINGLE) 6BM8=ECL82 Valvo Holland used/good 1960 (1.9ma/34ma)
(!!) (Single) 6JS6C Raytheon Japan NOS 1970's (90ma)
(!!) (Single) 6SN7GTA Philco Sylvania "chrome top" used/good 1954 (6.4/6.8ma)
(!!) (Single) 6SN7GTB GE branded Raytheon NOS 1970's (10/9.6ma)
(!!) (Single) 6SN7GTB Raytheon black plates NOS 1960 era (6.2/7.6ma)