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Tube Substitutions for:
 1801
 Full-Wave Vacuum Rectifier
TypeSubstitutesBase Diagram
1801G504, R24_RadioRecord, GL4/0, 60D, GL4/1, GN24, R0423, RGN504, V21B, VG406, VG460
Web References1801 (Philips) @ Franks Electron Tubes?
1801 @ Radiomuseum


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