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(!!) 12AX7 Baldwin Sylvania "D" getter used/tests like new 1959 (1.9/1.9ma) 1% section balance
(!!) 5751 Sylvania misbranded 12AX7WA NOS 1960's (1.9/1.9ma)
(!!) 5751W1 Sylvania triple mica "O" getter halo used/good early 1960's misbranded 12AX7WA (1.8/2.0ma)
(!!) JAN-5751 Sylvania gray plates NOS 1973 (1.8/1.8ma)
(!) (Best Pair #4) JAN-6528A Cetron USA NOS and like new 1980-1989 (94/127mA and 97/134ma)
(!) 5687 RCA black plates used/good 1961 (33/33.5ma)
6528A Cetron tests like new 1979 broken guide pin (111/124mA)
6528A Cetron used/good 1979 broken guide pin (99/117mA)
6528A Cetron used/good 1987 (112/113mA)
6DJ8 GE NOS 1976 (25/27.8ma)
Anthony Riddle upgrade 2C51 LM
EF86 Amperex East Germany NOS 1970's (2.2ma)
EF86 International Russian NOS 1979 (3.7ma)
EF86 United Russian NOS 1980's (3.1ma)
EF86 Zaerix Russian tests like new 1970's (3.0ma)
JAN-5842 Amperex USA Nickel Pins NOS 1983 (20.2ma Gm=20,800)
JAN-5842 Amperex USA Nickel Pins NOS 1983 (30ma and Gm=27,000)