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Tube Substitutions for:
89
Triple Grid Power Amplifier
TypeSubstitutesBase Diagram
8989Y
Web References89 (RCA) @ Franks Electron Tubes
89 (Sylvania) @ Franks Electron Tubes
89 (Tung-Sol) @ Franks Electron Tubes
89 @ RadioMuseum.org


Type 89
Triple Grid Power Amplifier



MECHANICAL DATA

Basing6F


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.4A


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