Tube Substitutions for:
7643
Triode-Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 7643 |  | |
| Web References | 7643 (Amperex) @ Franks Electron Tubes 7643 @ RadioMuseum.org | |
Triode-Pentode
MECHANICAL DATA
| Basing | 9DC |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 7643 | | |
| Web References | 7643 (Amperex) @ Franks Electron Tubes 7643 @ RadioMuseum.org | |
| Basing | 9DC |