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Tube Substitutions for:
EF55
Vacuum Pentode

Type	Substitutes	Base Diagram
EF55	CV173, CV296
Web References	EF55 (Philips) @ Franks Electron Tubes? EF55 (Mullard) @ Franks Electron Tubes? EF55 (Mullard) @ Franks Electron Tubes? EF55 @ Radiomuseum

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