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Tube Substitutions for:
55S
Twin Diode - Low Mu Triode
TypeSubstitutesBase Diagram
55S55
Web References55S @ RadioMuseum.org


Type 55S
Twin Diode - Low Mu Triode



MECHANICAL DATA

Basing6G


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage2.5Volts
Heater Current1A


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