Base: Novar B9E
Filament: Vf 6.3 Volts / If 1.5 Ampere / Indirect
Description:
Novar type used in combined vertical-deflection-oscillator and vertical-deflection-amplifier applications in color and black-and-white television receivers. Outlines section, 17E, requires novar 9-contacts socket. Types 21LR8 and 31LR8 are identical with type 6LR8 except for the heater ratings. Printing maybe different due to availability of stock.
Intherchangeable with: