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Tube Substitutions for:
25F5A
Beam Power Pentode
TypeSubstitutesBase Diagram
25F5A25F5†
Notes:† - Series circuit no controlled warm-up
Web References25F5A (RCA (HB3)) @ Franks Electron Tubes
25F5A @ RadioMuseum.org


Type 25F5A
Beam Power Pentode



MECHANICAL DATA

Basing7CV


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage25Volts
Heater Current0.15A


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