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Tube Substitutions for:
57
Sharp Cutoff Pentode
TypeSubstitutesBase Diagram
5758, 57S
Web References57 (RCA) @ Franks Electron Tubes
57 (Sylvania) @ Franks Electron Tubes
57 (Tung-Sol) @ Franks Electron Tubes
57 @ RadioMuseum.org


Type 57
Sharp Cutoff Pentode



MECHANICAL DATA

Basing6F


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage2.5Volts
Heater Current1A


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