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Tube Substitutions for:
RK20A
Power Pentode

Type	Substitutes	Base Diagram
RK20A		5J
Web References	RK20A (Raytheon) @ Franks Electron Tubes RK20A @ RadioMuseum.org

Type RK20A
Power Pentode


MECHANICAL DATA

Basing

5J

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	7.5	Volts
Heater Current	3.25	A

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