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Tube Substitutions for:
11CY7
Dissimilar Duo Triodes

Type	Substitutes	Base Diagram
11CY7		9EF
Web References	11CY7 (RCA (HB3)) @ Franks Electron Tubes 11CY7 (RCA (HB3)) @ Franks Electron Tubes 11CY7 (Tung-Sol) @ Franks Electron Tubes 11CY7 @ RadioMuseum.org

Type 11CY7
Dissimilar Duo Triodes


MECHANICAL DATA

Basing

9EF

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	11	Volts
Heater Current	0.45	A

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