Tube Substitutions for:
X63
Pentagrid-Converter (Heptode)
| Type | Substitutes | Base Diagram |
|---|---|---|
| X63 | 6A8G, 6A8GT, 6A8GTX, 6A8MG, 6D8*, 6A8 |  |
| Notes: | * - Parallel filaments | |
| Web References | X63 (Marconi) @ Franks Electron Tubes X63 @ RadioMuseum.org | |
Pentagrid-Converter (Heptode)
MECHANICAL DATA
| Basing | 8A |