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Tube Substitutions for:
1AD4
Sharp-Cutoff RF/AF Pentode

Type	Substitutes	Base Diagram
1AD4	1AH4, 1AK4	1AD4
Web References	1AD4 (Mazda-Belvu) @ Franks Electron Tubes 1AD4 @ RadioMuseum.org

Type 1AD4
Sharp-Cutoff RF/AF Pentode


MECHANICAL DATA

Basing

1AD4

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	1.25	Volts
Heater Current	0.1	A

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