(!!!) (Best Single) 5998A Sylvania JAN NOS 1980 (130/134mA)
(!!!) (Best Single) 5998A Sylvania JAN NOS 1980 (135/139mA)
(!!!) (Best Single) 5998A Sylvania JAN NOS 1980 (141/137mA)
(!!!) (Best Single) 5998A Sylvania JAN NOS 1980 (143/141mA)
(!!!) (Best Single) 6SN7GT Tungsol parallel black plates chrome top NOS 1952-1953 (11.4/11.2ma)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 (10.4/9.6ma)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 burgundy base large "O" mica (9/10ma)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 large "O" mica (10.4/9.2ma)
(!!!) (Best Single) 6X4 Tungsol NOS 1957 "D" getter (54/40 and 57/40)
(!!!) (Best Single) 6X4 Tungsol NOS 1957 "D" getter (57/40 and 55/40)
(!!!) (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) 717A=VT-269 Western Electric by Tungsol low hours/like new mid-1940's in white boxes (9.2ma and 10.2ma)
(!!!) (Best Value Single) 45 Tungsol tests like new 1940's (40ma)
(!!!) (Best Value Single) 6SN7GT Tungsol parallel gray plates NOS 1953 large "O" mica (7.0/7.2ma)
(!!!) (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) 12AT7 Tungsol NOS 1960's (6.4/8.4ma)
(!!!) (Good Value Single) 12AY7 GE "D" getter NOS 1955 (2.2/1.9ma)
(!!!) (Good Value Single) 6SN7GTB Tungsol tall bottle used/good 1960 era (7.5/7.5ma) 1% section balance