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(!!!) (Best Single) 12AZ7 Tungsol black plates "D" getter halo NOS 1955 (12ma/14ma)
(!!!) (Best Single) 5998A Sylvania JAN NOS 1980 (127/135mA) (close Gm)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 burgundy base large "O" mica (9/10ma)
(!!!) (Best Single) CK5687WA Raytheon black plates "O" getter like new 1960 (35/38ma)
(!!!) (Best Sylvania Pair) 6B4G Sylvania NOS 1940's same build (92ma and 95ma)
(!!!) (BEST VALUE PAIR) 5881 Tungsol tests like new 1957 and 1963 with broken center guide pins - see photo (72.5ma and 68.2ma)
(!!!) (Best Value Single) 45 Tungsol tests like new 1940's (40ma)
(!!!) (BEST VALUE SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's slightly tilted glass (52/40 and 54/40)
(!!!) (BEST VALUE SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's slightly tilted glass (54/40 and 54/40)
(!!!) (Good Value Pair) JAN-6384 Cetron by Tungsol used/very good 1979 (66ma and 63ma)
(!!!) (Good Value Single) 6SN7GTB Tungsol tall bottle used/good 1960 era (7.5/7.5ma) 1% section balance
(!!!) (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 Pair) JTL-5654=6AK5W Tungsol gray plate "D" getter used/good 1956-1958 (6.4ma and 6.5ma)
(!!!) (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) 12AY7 GE NOS 1970 (2.0/2.3ma)
(!!!) (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) 5998A Sylvania JAN NOS 1980 (112/119mA)
