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Tube Substitutions for:
 4-250/5D22
 Power Tetrode
TypeSubstitutesBase Diagram
4-250/5D224-250A, 5D22, 61565BK


Type 4-250/5D22
Power Tetrode


MECHANICAL DATA
Basing5BK


ELECTRICAL DATA

HEATER CHARACTERISTICS
Heater Voltage5Volts
Heater Current14.5A


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