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Tube Substitutions for:
 5640
 Beam Power Amplifier
TypeSubstitutesBase Diagram
56405902, 5902A, 5902WA5640
Web References5640 (Sylvania) @ Franks Electron Tubes
5640 @ RadioMuseum.org


Type 5640
Beam Power Amplifier


MECHANICAL DATA
Basing5640


ELECTRICAL DATA

HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.45A


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