Twin Triode
Miniature type containing high-mu and low-mu triodes;
used as combined vertical-deflection oscillator and
vertical-deflection amplifier tube in television
receivers. Requires miniature 9-contact socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A
Preferred Substitutes ......... 6FD7
Substitutes .............. 6CY7 6FR7