Log in using the new customer accounts page.
(!!!!) (Best Pair 1955) CV378=GZ37 Mullard UK "D" getter NOS 1955 no printing (56-56/40 and 57-57/40)
(!!!!) (Best Single #2) 12BH7A RCA NOS 1963 (10.6/11.6ma)
(!!!!) (Best Single) 12BH7A Tungsol black plates "O" getter halo 1960 era (13.2/13.5ma)
(!!!!) (Best Value Single) GZ37 Mullard UK NOS 1966-1967 slightly tilted glass (51/40 and 52/40)
(!!!!) (Good Value Pair) 12BH7A RCA gray plates NOS 1966-1971 (8.8/12ma and 12.8/8.2ma) (Art Audio, Manley Mac, VTL)
(!!!!) (Recommended Pair) 12BH7A GE branded Zenith and Daystrom gray oval plates "O" getter NOS 1960's (11.0/11.3ma and 10.3/10.5ma)
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10.6/7.4ma) (1st series made)
(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates "U" getter halo NOS 1961 (11.8/16.5ma) (Highest mA and Gm)
(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)
(!!!!) (Single) 12BH7A Westinghouse black plates "D" getter NOS 1961 (6.2/7.0ma)
(!!!) (Good Value Pair) 12BH7A RCA used/very good 1960's (8.0/9.2ma and 9.0/9.7ma) (close Gm)
(!!!) (Single) 12BH7A RCA NOS 1970's (16.4/9.6ma)
(!!!) 12BH7A GE gray oval plates NOS "o" getter 1964 (11.4/10.2ma) (strong Gm)
(!!!) 12BH7A RCA branded Zenith NOS 1970 era (10/13.2ma)
(!!) (Best Single) 12BH7A Channel Master Japan by Hitachi 1959 (14.2/13.2ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!) (Best Value Pair) 12BH7A Channel Master Japan by Hitachi NOS 1962 (10/15ma and 10.6/11.8ma)
(!!) (Single) 12BH7 GE Delco gray oval plates "U" getter NOS 1950's (7ma/8ma) (Quicksilver, Wells, Doshi, McIntosh)
(!!) 12BH7A RCA gray plates used/good 1960's (8.0/11.2ma)
(!!) 12BH7A RCA gray plates used/good 1970 era (8/9ma)
(!!) 12BH7A RCA used/good/75% 1967 (7/6ma)
