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(!!) (Single) 12AX7 Sylvania used/good 1959 (1.6/1.5ma)
(!!) (Single) 12BH7 GE Delco gray oval plates "U" getter NOS 1950's (7ma/8ma) (Quicksilver, Wells, Doshi, McIntosh)
(!!) (Single) 5814WA GE NOS 1962-1963 (9/10.2ma)
(!!) (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) 6350 GE black ribbed plates NOS 1968 (9.0/9.2ma)
(!!) (Single) 6AQ5A GE NOS 1963 (38ma)
(!!) (Single) 6AQ5A GE NOS 1963 (45ma)
(!!) (SINGLE) 6BL7GT Sylvania branded Tungsol triple mica NOS 1956-1957 (36.2/31.5ma)
(!!) (Single) 6F8G Philco by Sylvania parallel plates used/good 1940's (10.2ma and 7.2ma) (close Gm)
(!!) (Single) 6SN7GTB GE branded Raytheon NOS 1970's (10/9.6ma)
(!!) (Single) 6SN7GTB Raytheon black plates NOS 1960 era (6.2/7.6ma)
(!!) (Single) 6SN7GTB Raytheon black plates short bottle NOS 1950's (8/7ma) (High Gm)
(!!) (Single) 6Y6G Tungsol NOS 1954 (74ma)
(!!) (Single) JAN-CKR-6Y6G Ken Rad NOS 1944 (56ma)
(!!) (Single) JAN-CKR-6Y6G Ken Rad NOS 1944 (75ma)
(!!) (slightly microphonic) 12AX7 Sylvania Zenith black ribbed plates "D" getter NOS/80% 1953 (Gm=1300/1400 and 0.9/1.0ma)