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Tube Substitutions for:
4BQ7
Medium-Mu High Frequency Twin Triode

Type	Substitutes	Base Diagram
4BQ7	4BC8, 4BZ7, 4BZ8, 4KN8

Type 4BQ7
Medium-Mu High Frequency Twin Triode


MECHANICAL DATA

Basing

9AJ

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	4.2	Volts
Heater Current	0.6	A

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