Tube Substitutions for:
X14
Pentagrid-Converter (Heptode)
| Type | Substitutes | Base Diagram |
|---|---|---|
| X14 | 1A7G, 1A7GT/G, 1B7G*, 1A7GT |  |
| Notes: | * - Parallel filaments | |
| Web References | X14 @ RadioMuseum.org | |
Pentagrid-Converter (Heptode)
MECHANICAL DATA
| Basing | 7Z |
| Type | Substitutes | Base Diagram |
|---|---|---|
| X14 | 1A7G, 1A7GT/G, 1B7G*, 1A7GT | |
| Notes: | * - Parallel filaments | |
| Web References | X14 @ RadioMuseum.org | |
| Basing | 7Z |