Medium-Mu Twin Triode
The 6BQ7A Vacuum tube is a 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.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.4 A
Maximum Heater-Cathode Voltage:
Heater Positive with Respect to Cathode
DC Component .............................. 100 V
Total DC and Peak ......................... 200 V
Heater Negative with Respect to Cathode
Total DC and Peak ......................... 200 V
Preferred Substitutes ............... 6BC8 6BZ7
Substitutes ............... 6BK7 6BZ8 6CH7 6CX7