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Tube Substitutions for:
6S4A
Medium Mu Triode
TypeSubstitutesBase Diagram
6S4A
Web References6S4A (RCA (HB3)) @ Franks Electron Tubes
6S4A (General Electric) @ Franks Electron Tubes
6S4A (Tung-Sol) @ Franks Electron Tubes
6S4A (RCA (RC30)) @ Franks Electron Tubes
6S4A @ RadioMuseum.org


Type 6S4A
Medium Mu Triode



MECHANICAL DATA

Basing9AC


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.6A


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