(!!!) (Best Value Single) 12BH7A Sylvania branded GE black oval plates "U" getter 1950's tilted glass (11.0/14.2ma)
(!!!!) (Best Single) 12BH7A GE ribbed plates NOS 1980 (10.0/10.2ma) 1-3% section balance
(!!!) 12BH7 GE Silvertone gray oval plates NOS "U" getter 1953 (8.2/8.0ma)
(!!) (Best Value Single) 12BH7A Hitachi Japan 1970's branded Westinghouse NOS 1984 (11.8/12.9ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!) (Best Value Pair) 12BH7A Hitachi Japan branded Westinghouse NOS 1984 (11/9.3ma and 10.2/9.3ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!) (Good Value Single) 12BH7A GE Daystrom gray oval plates low hours like new 1960's (9.2/9.0ma) (Same Gm)
(!!) (Single) 12BH7 GE Delco gray oval plates "U" getter NOS 1950's (7ma/8ma) (Quicksilver, Wells, Doshi, McIntosh)
(!!!!) (Best Value Single) 12BH7A Sylvania gray oval plates "square=D" getter halo NOS 1950's (7.6/8.8ma)
(!!!!) (Best Overall GE Single) 12BH7A GE ribbed plates NOS 1981 (11.6/11.8ma) 1-3% section balance
