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Tube Substitutions for:
6BK4A
Sharp Cutoff Beam Triode
TypeSubstitutesBase Diagram
6BK4A6BK4C, 6EL4, 6EL4A, 6EN4
Web References6BK4A (RCA (HB3)) @ Franks Electron Tubes
6BK4A (Tung-Sol) @ Franks Electron Tubes
6BK4A @ RadioMuseum.org


Type 6BK4A
Sharp Cutoff Beam Triode



MECHANICAL DATA

Basing8GC


ELECTRICAL DATA


HEATER CHARACTERISTICS
Heater Voltage6.3Volts
Heater Current0.2A


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