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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 Ken Rad NOS 1940's (3 in stock)
12SC7 Philco NOS 1940's (1.8/1.8ma) 1% section balance
12SC7 Philco NOS 1940's (1.8/2.1ma)
12SC7 Sylvania NOS 1940's (5 in stock)
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)
12SG7 RCA NOS 1952 (13.4ma)
12SG7 Sylvania NOS 1950's (12.2ma)
12SG7 US Brands metal can used (10 in stock)
12SH7 US Brands NOS (12 in stock)
12SJ7 RCA metal can NOS 1950's (2.8ma)
12SJ7 RCA NOS 1961 (3.0ma)
