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Tube Substitutions for:
RK66
Power Pentode

Type	Substitutes	Base Diagram
RK66		5J
Web References	RK66 @ RadioMuseum.org

Type RK66
Power Pentode


MECHANICAL DATA

Basing

5J

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	6.3	Volts
Heater Current	1.5	A

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