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Tube Substitutions for:
6FR7
Double Triode
TypeSubstitutesBase Diagram
6FR76EW7, 6FD7, 6DE7, 6DR7, 6FD7
Web References6FR7 (Sylvania) @ Franks Electron Tubes
6FR7 @ RadioMuseum.org


Type 6FR7
Double Triode



MECHANICAL DATA

Basing9HF


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater CurrentA


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