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Tube Substitutions for:
12U7
Medium Mu Duo Triode
TypeSubstitutesBase Diagram
12U712AE7
Web References12U7 (Tung-Sol) @ Franks Electron Tubes
12U7 (Sylvania) @ Franks Electron Tubes
12U7 @ RadioMuseum.org


Type 12U7
Medium Mu Duo Triode



MECHANICAL DATA

Basing9A


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage12.6Volts
Heater Current0.15A


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