(!!!!!) (Best Sound - Best Pair) 12BH7A GE NOS gray oval plates large "U" getter halo 1959 (9.2/10.0ma and 9.4/12ma)
(!!!!) (Best RCA Single) 12BH7A RCA gray plates NOS "O" getter halo 1960's (10.8/11.4ma) close triode balance
(!!!!) (Recommended Single 1963) 12BH7A Sylvania gray oval plates NOS 1963 (12.0/12.4ma) close triode balance
(!!!!) (~ Best 12BH7A 1960 ~) 12BH7A Sylvania Philco gray oval plates "square=D" getter halo NOS 1960 (9.8/9.8ma)
(!!!) (#1 12BH7A GE SINGLE) 12BH7A GE Amperex NOS 1970 (11.4/13.0ma)
(!!!) (Best GE Single 1955) 12BH7A GE NOS black oval plates large "U" getter halo 1955 (7.6/8.4ma)
(!!!) (Best GE Single 1958) 12BH7A GE NOS gray oval plates large "U" getter halo 1958 (8.2/9.6ma)
(!!!) (~ BEST 12BH7A Single ~) 12BH7A CBS Black Oval Plates large "U" getter NOS 1950's (10ma/10.8ma) (close section balance)
(!!!) (~ Best GE Single 1954 ~) 12BH7 GE NOS gray oval plates large "U" getter halo 1954 (9.5/11.2ma)
(!!!) (~ Best GE single 1960's ~) 12BH7A GE NOS gray oval plates "O" getter halo 1963 (13.0/15.4ma) (Highest Ma and Gm)
(!!!) (~ Best Tungsol in stock ~) 12BH7A Tungsol black plates branded Dumont used/good around 1965 (9.2/10ma)
(!) (#3 12BH7A RCA SINGLE) 12BH7A RCA gray ribbed plates used/good "O" getter 1960's (8.4/9.8ma)
(!) 12BH7A RCA NOS 1960's (7/10ma)
(!) 12BH7A Toshiba rebranded "Bell and Howell Schools" like new 1960's (9/10.4ma)
12BH7A Toshiba rebranded "Daystrom Nichimen" NOS "D" getter halo 1950's (8ma/8ma) 1% section balance
12BH7A Triad by Toshiba Japan used/good (8.8/10.2ma)
ECC99 JJ (best sub is 12BH7A RCA)
