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Tube Substitutions for:
2B4
Gas Triode
TypeSubstitutesBase Diagram
2B4885
Web References2B4 (Du Mont) @ Franks Electron Tubes
2B4 @ RadioMuseum.org


Type 2B4
Gas Triode



MECHANICAL DATA

Basing5A


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage2.5Volts
Heater Current1.4A


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