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(!!!) (Recommended Tungsol Single) JAN-6384 Tungsol NOS 1972 (62ma)
(!!!) (Recommended Value Pair) ECL86=6GW8 Philips Holland NOS 1968-1969 (1.0/1.1ma and 31/34ma)
(!!!) (Recommended) 814=VT-154 GE ceramic base like new 1940's (105ma)
(!!!) (Single) 5998A Sylvania JAN NOS 1980 (141/122mA) (close Gm)
(!!!) (Single) 6080 GE NOS 1970's (132/83ma)
(!!!) (Single) 6080 GE NOS 1974 (70/106ma)
(!!!) (Single) 6AS7G RCA branded GE black plates used/good 1953 (114/75ma)
(!!!) (SINGLE) 6B4G Philco by Sylvania engraved base springs hold up filaments NOS 1930's (91ma) (rare)
(!!!) (Single) 6L6G Zenith by Sylvania engraved abse 1930's used/tests like new (71ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (73ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)
(!!!) (Single) 7868 RCA gray plate used/75% 1970 era (47.6ma)
(!!!) (Single) 7868 RCA gray plate used/75% 1970 era (47ma)
(!!!) (Single) 8417 Sylvania branded Dumont NOS 1980 (84ma)
(!!!) (SINGLE) EL34 RFT East Germany branded Telefunken used/good 1972 (76ma)
(!!!) (Single) EL84 Mullard UK "D" getter used 1956 (36ma)
(!!!) (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)
(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)