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Tube Substitutions for:
37
Medium Mu Triode
TypeSubstitutesBase Diagram
3776, 37A, 56A*, 56AS*, 67*, 67A*
Notes:* - Parallel filaments
Web References37 (RCA) @ Franks Electron Tubes
37 (Sylvania) @ Franks Electron Tubes
37 (Tung-Sol) @ Franks Electron Tubes
37 @ RadioMuseum.org


Type 37
Medium Mu Triode



MECHANICAL DATA

Basing5A


ELECTRICAL DATA


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


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