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