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12HG7=12GN7A GE Japan NOS (1 pair in stock)
(!) (PAIR) 12HG7=12GN7A Sylvania branded RCA coated glass NOS (37ma and 40ma)
(!!) (Recommended Pair) 12HG7=12GN7A Sylvania coated glass NOS 1970 era (52ma and 55ma)
12HG7=12GN7A US Brands NOS (0 in stock)
12J5 GE metal can NOS (0 in stock)
12J7GT Hytron NOS 1950 era hairline crack in base (102/60)
12J8 NOS
12K7G US Brands NOS (sold out)
12K7GT US Brands NOS (5 in stock)
12K8=12K8Y US Brands NOS (20 in stock)
12MD8 NOS (10 in stock)
12Q7G National Union NOS (38/20)
12R5 NOS (3 in stock)
12S8GT NOS (3 in stock)
12SA7GT Auburn USA NOS 1960 (3.8ma) strong single
12SA7GT Raytheon used/good (1 in stock)
12SA7Y RCA brown bottom NOS 1955 (4.7ma)
12SC7 International Canada NOS, probably made by GE (2.0/2.1ma)
12SC7 International Canada NOS, probably made by GE (2.3/2.8ma)
12SC7 Philco NOS 1940's (1.8/1.8ma) 1% section balance
