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(!!!) (Single) 5998A Sylvania JAN NOS 1980 (141/122mA) (close Gm)
(!!!) (Single) KT66 Osram UK black base used 1950's (57ma) (Gm=60%)
(!!!) (~ Best Value Pair ~) EL84 Tesla NOS 1980's no printing (44.5ma and 44ma) 1% matched
(!!!) (~ Best Value Single ~) EL84 Brimar England low hours/tests like new 1961 (50ma)
(!!!) 5881 Tungsol used/good 1957 (58ma)
(!!!) 6B4G Tungsol NOS 1940's (81ma)
(!!!) 6V6G Super Silvertone by Sylvania used/good 1930's (37ma)
(!!) (#1 374A) 374A Western Electric gray plate used/test like new 1960's (21-25ma) (6 in stock)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (45.2ma and 46ma)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (48ma and 48.2ma)
(!!) (#3 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (44ma and 45ma)
(!!) (1 Pair) 6G6G RCA NOS branded RCA and Raytheon 1945-1950 era same build (13.6ma and 14.0ma)
(!!) (1 Pair) 6G6G RCA NOS branded Sylvania and GE 1940's same build (16.2ma and 17.5ma)
(!!) (Best Pair #2) 6GM5 Sylvania branded RCA NOS (52ma and 52ma)
(!!) (Best Pair #3) JAN-6528A Cetron USA NOS and like new 1989 (100/135mA and 100/128mA)
(!!) (Best Pair) 12DQ6B Philco by Sylvania NOS 1960's (68ma and 75.5ma)
(!!) (BEST PAIR) 12JN6 GE NOS 1970 era (74ma and 73ma)
(!!) (BEST PAIR) 20LF6 Holland NOS 1971 in Zenith and RCA boxes (101/60 and 102/60)
(!!) (BEST PAIR) 43 Tungsol NOS 1947-1950 (84/58 and 85/58)
(!!) (BEST PAIR) 6BQ6GTB=6CU6 Sylvania JAN NOS 1960's (56ma and 56ma)