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Tube Substitutions for:
4-65A
Power Tetrode

Type	Substitutes	Base Diagram
4-65A		F25
Web References	4-65A (RCA (HB3)) @ Franks Electron Tubes 4-65A (Eimac) @ Franks Electron Tubes 4-65A (Eimac) @ Franks Electron Tubes

Type 4-65A
Power Tetrode


MECHANICAL DATA

Basing

F25

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	6	Volts
Heater Current	3.5	A

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