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(!) (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)
(!) JAN-5751 Sylvania branded Philips NOS 1983 (2.4/2.5ma) 1-2% section balance (High Gm) (Mapletree, Jolida, Fender)
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)
EF86 Amperex East Germany NOS 1970's (2.2ma)
EF86 International Russian NOS 1979 (3.7ma)
EF86 United Russian NOS 1980's (3.1ma)
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)
JAN-CAHG-5R4WGA Chatham by Tungsol NOS 1959 (55/40 and 64/40)
