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Tube Substitutions for:
7J7
Triode - Heptode Converter
TypeSubstitutesBase Diagram
7J77S7, 7S7
Web References7J7 (RCA (HB3)) @ Franks Electron Tubes
7J7 (Sylvania) @ Franks Electron Tubes
7J7 (Tung-Sol) @ Franks Electron Tubes
7J7 @ RadioMuseum.org


Type 7J7
Triode - Heptode Converter



MECHANICAL DATA

Basing8BL


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.3A


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