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Tube Substitutions for:
417A
High-Mu Triode
TypeSubstitutesBase Diagram
417A417B, 58429V
Web References417A @ RadioMuseum.org


Type 417A
High-Mu Triode



MECHANICAL DATA

Basing9V


ELECTRICAL DATA


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


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