Medium-Mu Twin Triode
Miniature type used as a cascode amplifier in vhf color
and black-and-white television tuners and in push-pull
cathode-drive rf amplifiers. Requires a miniature
9-contact socket.
Preferred Substitutes ......................... 6FW8 6KN8
Substitutes .......... 6AQ8 6BC8 6BQ7 6BZ7 6BZ8 6CH7 6CX7