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(!!!) (Best Single 1961) 6BQ7A RCA black plates NOS "D" getter 1961 (8.2/8.4ma) 1-3% section balance (Douk Audio, Modwright, Schiit)
(!!!) (Best Single 1962) JHS-12AX7 Sylvania NOS 1962 (Gm=2600/2500 and 1.8/1.9ma)
(!!!) (BEST SINGLE 1964) AFLC-12AX7WA Sylvania NOS 1964 (Gm=1900/1900)
(!!!) (Best Single 1965) JHS-12AX7WA Sylvania NOS 1965 (1.3/1.5ma and Gm=1700/1800)
(!!!) (Best Single E90F=6BH6 Philips Holland NOS 1963 (10.2ma)
(!!!) (Best Single from 1951) 12SN7GT GE parallel black ribbed plates 1951 (7.6/8.4ma)
(!!!) (Best Single) 127 Arcturus Blue Balloon tests like new 1930 era in white box (5.6ma) (High Ma and Gm)
(!!!) (Best Single) 12AT7 Brimar UK branded Knight by Mullard black plates "O" getter NOS 1966 (9.2/10.2ma)
(!!!) (Best Single) 12AT7=ECC81 Siemens Halske Germany branded Telefunken NOS 1961 (12.2ma/10ma)
(!!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS "O" getter halo 1960 era (10.8/11.4ma)
(!!!) (Best Single) 12AU7WA=6189 Sylvania NOS 1960's (10/10ma) 1-2% section balance
(!!!) (Best Single) 12AX7A Sylvania NOS 1970's (Gm=2800/2900)
(!!!) (Best Single) 12AZ7 Tungsol black plates "D" getter halo NOS 1955 (12ma/14ma)
(!!!) (Best Single) 26 RCA ST-14 tests like new 1952 (8.5ma)
(!!!) (Best Single) 2C51=5670 Sylvania NOS 1970's (8.8/8.4ma)
(!!!) (Best Single) 311B Western Electric NOS 1956 (31.6ma)
(!!!) (Best Single) 403A Western Electric NOS "D" getter 1957 (8.7ma)
(!!!) (Best Single) 45 Tungsol tests like new 1940's (40ma)
(!!!) (Best Single) 5691 RCA branded GE red base black plates NOS 1956 (2.3/2.0ma) (Same Gm)
(!!!) (Best Single) 5755=420A Western Electric clear top NOS 1958 (2.0ma/2.1ma)
