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Tube Substitutions for:
 DF97
 Vacuum Pentode
TypeSubstitutesBase Diagram
DF977ES
Web ReferencesDF97 (Mullard) @ Franks Electron Tubes
DF97 (Philips) @ Franks Electron Tubes
DF97 @ RadioMuseum.org


Type DF97
Vacuum Pentode


MECHANICAL DATA
Basing7ES


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