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Tube Substitutions for:
28HD5
Beam Pentode
TypeSubstitutesBase Diagram
28HD530HD5
Web References28HD5 (Raytheon) @ Franks Electron Tubes
28HD5 @ RadioMuseum.org


Type 28HD5
Beam Pentode



MECHANICAL DATA

Basing12ES


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage28Volts
Heater Current0.45A


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