Home  Resources  References  Tubes  Forums  Links  Support  Sale 

Tube Substitutions for:
 3B21
 Full-Wave Rectifier inert gas filled
TypeSubstitutesBase Diagram
3B2138401, CV2959, EL302.5
Web References3B21 (ElectronsInc) @ Franks Electron Tubes?
3B21 @ Radiomuseum


© 1996-2021 Nostalgia Air