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Tube Substitutions for:
6939
Twin Power Pentode

Type	Substitutes	Base Diagram
6939	2E26, 7645
Web References	6939 (RCA (HB3)) @ Franks Electron Tubes 6939 (RCA) @ Franks Electron Tubes 6939 (Telefunken) @ Franks Electron Tubes 6939 (RCA (RC30)) @ Franks Electron Tubes 6939 @ RadioMuseum.org

Type 6939
Twin Power Pentode


MECHANICAL DATA

Basing

9HL

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	6.3	Volts
Heater Current	0.75	A

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