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Tube Substitutions for:
EF40
Vacuum Pentode

Type	Substitutes	Base Diagram
EF40
Web References	EF40 (Mazda-Belvu) @ Franks Electron Tubes? EF40 (Philips) @ Franks Electron Tubes? EF40 (Philips) @ Franks Electron Tubes? EF40 (La Radiotechnique) @ Franks Electron Tubes? EF40 @ Radiomuseum

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