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(!!!) (Good Value Pair) JAN-6384 Cetron by Tungsol used/very good 1979 (66ma and 63ma)
(!!!) (Good Value Single) 6SN7GT Tungsol parallel gray plates NOS 1953 double large "O" mica - vertical crack in base (9.8/8.2ma) (rare)
(!!!) (Pair) JTL-6AK5 Tungsol gray plate "D" getter used/good 1952 (5.7ma/5.8ma)
(!!!) (READ REVIEW) 5V4G RCA branded GE NOS 1958 (60/40 and 60/40)
(!!!) (Recommended Pair) JAN-6384 Tungsol used/test like new 1970-1972 (62.5ma and 66ma)
(!!!) (Recommended Single) 127 Arcturus Blue Balloon used/good 1930 era in white box (4.3ma)
(!!!) (Recommended Single) 12AT7 Tungsol rebranded AKRAD "U" getter NOS 1956 (6.2/6.6ma)
(!!!) (Recommended Single) 12BZ7 RCA gray plates branded Tungsol NOS 1960's (2.0/2.1ma) 1-2% section balance
(!!!) (Recommended Single) 5881 Tungsol NOS 1954 (77ma)
(!!!) (Recommended Single) 6336A Tungsol NOS 1960 era (75/80ma) ***
(!!!) (Single 1956) 12AY7 GE "D" getter like new 1956 (3.1/2.8ma)
(!!!) (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) 6080 GE NOS 1978 (78/115ma)
(!!!) (Single) CK-5687 Raytheon black plates "O" getter like new 1960 (30/33.5ma)
(!!!) (slightly microphonic) 5687 Tungsol black plates "U" getter halo branded GE NOS 1950's (36/40ma)
(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)
(!!!) 31 RCA Radiotron Balloon NOS 1920's (13.2ma)
(!!!) 35W4 RCA NOS 1970 era (52/40)
