Triode-Pentode
The 6BA8 / 6BA8A tube is used in television sets, amplifiers and audio mixers.
It is a 9 pin tube.
Electrical Data:
Heater Voltage ........................ 6.3 Volts
Heater Current ........................ 0.36 Amps
Preferred Substitutes ............ 6BA8, 6BA8A