Home
Resources
References
Tubes
Forums
Links
Support
Sale
Tube Substitutions for:
407A
Double Triode
Type
Substitutes
Base Diagram
407A
Web References
407A (RCA (HB3)) @ Franks Electron Tubes?
407A (Tung-Sol) @ Franks Electron Tubes?
407A (Sylvania) @ Franks Electron Tubes?
407A (LM Ericsson) @ Franks Electron Tubes?
407A @ Radiomuseum
© 1996-2021 Nostalgia Air