Tube Substitutions for:
13FD7
Double Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 13FD7 | 13FR7, 13FR7 |  |
| Web References | 13FD7 (RCA (HB3)) @ Franks Electron Tubes 13FD7 (RCA (RC30)) @ Franks Electron Tubes 13FD7 (Philco) @ Franks Electron Tubes 13FD7 @ RadioMuseum.org | |
Double Triode
MECHANICAL DATA
| Basing | 9HF |