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Tube Substitutions for:
1R4
HF Diode
TypeSubstitutesBase Diagram
1R41294
Web References1R4 (Sylvania) @ Franks Electron Tubes
1R4 @ RadioMuseum.org


Type 1R4
HF Diode



MECHANICAL DATA

Basing4AH


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage1.4Volts
Heater Current0.15A


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