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Tube Substitutions for:
 UBF89
 Double Diode-Pentode
TypeSubstitutesBase Diagram
UBF8919FL8
Web ReferencesUBF89 (Philips) @ Franks Electron Tubes
UBF89 (Mazda-Belvu) @ Franks Electron Tubes
UBF89 (Philips) @ Franks Electron Tubes
UBF89 (La Radiotechnique) @ Franks Electron Tubes
UBF89 (Tesla) @ Franks Electron Tubes
UBF89 @ RadioMuseum.org


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