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12DE8 NOS (5 in stock)
12DT8 RCA gray plates NOS 1970's (12.2/16.4ma)
12DT8 RCA gray plates NOS 1970's (12.6/14.0ma)
12DU7 US Brands NOS (5 in stock)
12DW7 Sylvania rebranded RCA tests like new 1961 era (1.0ma/11.2ma)
12EM6 NOS
12F5GT NOS
12FK6
12FM6 NOS (5 in stock)
12FQ7
12FQ8 Realistic Lifetime by GE gray plates like new 1960's (1 in stock)
12FQ8 Wurlitzer by GE black plates "U" getter used/good 1960 (10 in stock)
12FQ8 Wurlitzer by GE black plates used/good 1961 (10 in stock)
12FQ8 Wurlitzer by RCA gray plates used/good 1964 (28 in stock)
12FR8 NOS
12FX8A GE NOS
12H6 US Brands NOS (15 in stock)
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)