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Tube Substitutions for:
 EF12
 Vacuum Pentode
TypeSubstitutesBase Diagram
EF12
Web ReferencesEF12 (Philips) @ Franks Electron Tubes?
EF12 (Telefunken) @ Franks Electron Tubes?
EF12 (RFT) @ Franks Electron Tubes?
EF12 @ Radiomuseum


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