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Tube Substitutions for:
6AK4
Medium-Mu Triode
TypeSubstitutesBase Diagram
6AK45718, 5897, 6814, 85278DK
Web References6AK4 (Sylvania) @ Franks Electron Tubes
6AK4 @ RadioMuseum.org


Type 6AK4
Medium-Mu Triode



MECHANICAL DATA

Basing8DK


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.15A


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