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Tube Substitutions for:
5977A
Medium-Mu Triode

Type	Substitutes	Base Diagram
5977A		8DK

Type 5977A
Medium-Mu Triode


MECHANICAL DATA

Basing

8DK

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	6.3	Volts
Heater Current	0.15	A

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