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Tube Substitutions for:
 4BZ7
 High Frequency Duo Diode
TypeSubstitutesBase Diagram
4BZ74BC8, 4BQ7, 4BZ8, 4KN8, 4BQ7A, 4BS8, 4BX8, 5BK7A
Web References4BZ7 (RCA (HB3)) @ Franks Electron Tubes
4BZ7 (General Electric) @ Franks Electron Tubes
4BZ7 (Tung-Sol) @ Franks Electron Tubes
4BZ7 (RCA (RC30)) @ Franks Electron Tubes
4BZ7 @ RadioMuseum.org


Type 4BZ7
High Frequency Duo Diode


MECHANICAL DATA
Basing9AJ


ELECTRICAL DATA

HEATER CHARACTERISTICS
Heater Voltage4.2Volts
Heater Current0.6A


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