(!!!!!) (Best Sounding Pair) 12BH7A RCA gray plates NOS 1970 era (9.5ma/12ma and 10.0/10.5ma)
(!!!!!) (Recommended GE Pair) 12BH7A GE gray oval plates NOS 1960-1965 (8.2/9.2ma and 8.0/8.5ma)
(!!!!!) (Recommended Pair) 12BH7A GE NOS 1970's same build (10.4/10.8ma and 10.0/11.2ma)
(!!!!!) (Recommended Pair) 12BH7A GE NOS gray oval plates large "O" getter halo 1960-1965 (9.5/10.7ma and 9.6/11.0ma) 1-3% matched
(!!!!!) (Recommended Pair) 12BH7A Raytheon Black Plates "D" getter NOS 1959 (7.5/7.7ma and 7.9/9.0ma)
(!!!!!) (Recommended Sylvania Pair) 12BH7A Sylvania NOS 1970 era (11/14.4ma and 10.6/13.6ma) (Highest Ma and Gm)
(!!!!!) (Recommended Sylvania Pair) 12BH7A Sylvania NOS 1970 era (9.4/9.4ma and 8.4/10.4ma)
(!!!!) (Best GE Single 1955) 12BH7A GE NOS black oval plates large "U" getter halo 1955 (9.2/10.6ma)
(!!!!) (Best GE single 1960's) 12BH7A GE NOS gray oval plates "O" getter halo 1963 (13.0/15.4ma) (Highest Ma and Gm)
(!!!!) (Best Overall Single) 12BH7A RCA gray ribbed plates NOS 1970 era (13.2/13.6ma) (Highest Ma and Gm)
(!!!!) (Recommended PAIR) 12BH7A GE NOS 1970's (9.6/10.2ma and 9.4/9.8ma)
(!!!!) (Recommended Pair) 12BH7A GE NOS gray oval plates large "O" getter 1964-1965 (10.0/10.8ma/10.5/11.5ma)
(!!!!) (Recommended Single) 12BH7A RCA gray ribbed plates NOS 1960's (9.0/9.2ma)
(!!!!) (Recommended Single) 12BH7A RCA gray ribbed plates NOS 1970's (10.2/12.2ma)
(!!!) (Best GE Single 1958) 12BH7A GE NOS gray oval plates large "U" getter halo 1958 (8.2/9.6ma)
(!!!) (~ Best GE Single 1954 ~) 12BH7 GE NOS gray oval plates large "U" getter halo 1954 (9.5/11.2ma)
(!!!) (~ Best Tungsol in stock ~) 12BH7A Tungsol black plates branded Dumont used/good around 1965 (9.2/10ma)
(!!) (Recommended Single) 12BH7A Raytheon Black Plates "D" getter NOS 1958 smaller top getter (10ma/14ma)
(!!) (Recommended Single) 12BH7A Raytheon Black Plates "D" getter NOS 1959 (9ma/11ma)
(!!) 12BH7A RCA gray plates used/good 1970 era (8/9ma)
