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12Q7G National Union NOS (38/20)
12Q7G Zenith by Sylvania NOS 1946-1947 (36/20)
12Q7GT Dumont used/good (92/60)
12Q7GT Hytron used/good 1940's (91/60)
12R5 NOS (3 in stock)
12S8GT NOS (3 in stock)
12SA7GT Auburn USA NOS 1960 (3.8ma) strong single
12SA7GT Mullard Holland used/good 1960 (3.8ma)
12SA7GT Nat. Union branded FORD MOTOR CO. used/strong 1940's (4.2ma Gm=1200)
12SA7GT Raytheon used/good (1 in stock)
12SA7GT Sylvania used/tests like new 1957 (3.3ma Gm=1100)
12SA7Y RCA brown bottom NOS 1955 (4.7ma)
12SF5 US Brands NOS (5 in stock)
12SF5GT GE NOS (8 in stock)
12SF5GT Ken Rad NOS (1.2ma Gm=1800)
12SF5GT NOS (1 in stock)
12SF7 Ken Rad NOS 1946 (10.8ma)
12SF7 Ken Rad used/good 1946 (10.6ma)
12SF7 RCA NOS some surface rust on metal can 1954 (14.2ma)
12SG7 Philco NOS 1952 (13ma)
