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Tube Substitutions for:
4E27
Beam Power Pentode

Type	Substitutes	Base Diagram
4E27		7BM
Web References	4E27 (RCA (HB3)) @ Franks Electron Tubes 4E27 (Heintz&Kaufmann) @ Franks Electron Tubes 4E27 @ RadioMuseum.org

Type 4E27
Beam Power Pentode


MECHANICAL DATA

Basing

7BM

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	5	Volts
Heater Current	7.5	A

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