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Tube Substitutions for:
 HY1231Z
 Power Triode
TypeSubstitutesBase Diagram
HY1231ZF60
Web ReferencesHY1231Z @ RadioMuseum.org


Type HY1231Z
Power Triode


MECHANICAL DATA
BasingF60


ELECTRICAL DATA

HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current3.5A


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