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Tube Substitutions for:
 RES174d
 Vacuum Pentode
TypeSubstitutesBase Diagram
RES174dBF43, PB4, DU415, DX3, Pentodion-Fourvolt, RO4243, P420, B443_4pin, W443_4pin, J43, PP415_4pin, L415D, L43, LLD415
Web ReferencesRES174d (Telefunken) @ Franks Electron Tubes?
RES174D @ Radiomuseum


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