(!!!!!) (Good Value Pair) 12BH7A GE ribbed plates NOS 1966-1974 (7.0/9.4ma and 7.0/10.5ma)
(!!!!!) (Good Value Pair) 12BH7A Sylvania gray pinched plates NOS and used 1970 era (7.6/8.0.4ma and 7/7ma)
(!!!!!) (Recommended Pair) 12BH7A GE NOS gray oval plates large "U" getter 1957-1960 (10/12ma and 10.2/14.2ma) (McIntosh, Quicksilver, Art Audio)
(!!!!) (Best GE single 1968) 12BH7A GE NOS 1968 (15/16ma) 1-2% section balance
(!!!!) (Best Single) 12BH7 GE NOS gray oval plates "U" getter 1953 (13.8/14.2) (Quicksilver, Wells, Doshi, McIntosh)
(!!!!) (Best Single) 12BH7A GE ribbed plates NOS 1980 (10.0/10.2ma) 1-3% section balance
(!!!!) (Best Single) 12BH7A RCA gray plates NOS 1970 (10.6/10.2ma)
(!!!!) (Best Single) 12BH7A RCA NOS 1960's (11.6/12.6ma)
(!!!!) (Best Single) 12BH7A Sylvania rebranded GE black oval plates "U" getter NOS 1956 era (11.2/14ma)
(!!!!) (Best Single) 12BH7A Tungsol black plates "O" getter halo 1960 era (11.0/11.6ma)
(!!!!) (Good Value Pair) 12BH7A GE NOS gray oval plates "o" getter halo 1961-1965 (7.2/6.6ma and 8.4/6.8ma)
(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (10.2/10.6ma)
(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (9/9ma)
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10/7.8ma) (1st series made)
(!!!!) 12BH7A Westinghouse gray ribbed plates used/good "U" getter 1960 era (8.4/11ma)
(!!!) (Best Value Single) 12BH7A Sylvania branded GE black oval plates "U" getter 1950's tilted glass (11.0/14.2ma)
(!!!) (Recommended Single) 12BH7A CBS Oval Black Plates "O" getter NOS 1960 (11/12.5ma)
(!!!) (Recommended Single) 12BH7A Westinghouse black ribbed plates "U" getter halo 1961 (8.5/10ma)
(!!!) (Single) 12BH7A CBS Oval Black Plates "O" getter used/good 1960 (7.3/9.6ma)
(!!!) (Slightly microphonic Single) 12BH7A CBS Oval Black Plates "U" getter NOS 1960 era (8.4/9.0ma)