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12SN7GT RCA NOS 1960 with plate support rods (8.0/8.2ma) 1-2% section balance
12SN7GTA GE branded Westinghouse low hours 1960's (7.0/7.4ma)
12SN7GTA GE Honeywell gray plates used/good 1960's (6.0/6.8ma)
12SN7GTA RCA coin-base branded GE NOS 1980 (12.2/12.2ma) 1-2% section balance
12SR7 metal can NOS (20 in stock)
12SR7GT National Union NOS 1950 era (10.8ma)
12SR7GT RCA NOS 1940's (11.2ma)
12T10 GE NOS
12U7
13CW4 RCA NOS 1950's - 1970 (5 in stock)
13DR7 Sylvania branded GE NOS (1 pair)
13EM7 GE branded ITT NOS 1960's (2.2/38ma)
13EM7 GE branded Raytheon NOS 1960's (1.6/40ma)
13EM7 Sylvania branded GE NOS 1963 (1.5/34ma)
13FM7=15FM7 US Brands NOS (8 in stock)
13GF7A NOS (15 in stock)
13J10=13Z10 NOS (12 in stock)
13JZ8 NOS (10 in stock)
13V10 NOS (6 in stock)
14A4 CBS NOS 1950's
