Nostalgia Air: Tube Substitution for EF9

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Tube Substitutions for:
EF9
Vacuum Pentode

Type	Substitutes	Base Diagram
EF9	CV1427, TEF9, CV1714, MEF9
Web References	EF9 (Philips) @ Franks Electron Tubes? EF9 (Philips) @ Franks Electron Tubes? EF9 (Philips) @ Franks Electron Tubes? EF9 (Philips) @ Franks Electron Tubes? EF9 @ Radiomuseum