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(!!!) 12AU7 RCA tall gray plates "D" getter used/good 1953 (9.2/9.8ma)
(!!!) 12AU7A GE "U" getter low hours/tests like new 1957 (10.0/8.8ma)
(!!!) 12AX7=ECC83 Mullard UK "long plates" with "D" getter used/50-60% (0.6/0.7ma Gm=900/1000 - low Gm) (mC1 series)
(!!!) 12SN7GTA Sylvania branded RCA used/good 1967 (10/12.5ma)
(!!!) 5881 Tungsol used/good 1957 (58ma)
(!!!) 6V6G Zenith Sylvania engraved base used/good 1930's (39ma)
(!!!) 6V6G Zenith Sylvania tests like new 1940's (42ma)
(!!) (Best Overall Single) 407A Western Electric NOS 1963 (53/26 and 53/26) 1-2% section balance
(!!) (Best Pair #2) 407A Western Electric D getter NOS 1966-1968 (40-40/26 and 42-43/26) 1-5% section balance
(!!) (Best Single) 5687 Tungsol rebranded CBS black plates "U" getter NOS 1950's (38/48ma)
(!!) (Good Value) EF86=CV2901 Mullard Blackburn UK "D" getter used/good 1959 (2.4ma)
(!!) (Recommended Single) 6350 Sylvania black plate NOS "U" getter halo 1957 (9/10ma)
(!!) (Single) 5814WA GE NOS 1962-1963 (9/10.2ma)
(!!) (Single) JAN-5670W GE NOS 1978 (9.8/9.0ma)
(!!) (Single) JAN-5670W GE used/good 1970's (6.8/6.0ma)
(!!) 12SN7GT Sylvania Philco chrome top black plates NOS 1956 (8.2/8.4ma)
(!!) 5Z3G Westinghouse NOS 1957 (59/40 and 61/40)
(!!) 6BL7GTA GE NOS "D" getter 1958 (43ma/53ma)
(!!) JG-12AY7 GE "D" getter 1956 used/good (2.1/2.3ma)
(!) (Best Single) 5Z3G RCA FAA NOS 1962 (56/40 and 55/40)
