Tube Substitutions for:
VT91A
| Type | Substitutes | Base Diagram |
|---|---|---|
| VT91A | 6J7GT, 6J7G, 6J7, 6J7GTX, 6J7MG, 6W7G* |  |
| Notes: | * - Parallel filaments |
MECHANICAL DATA
| Basing | 7R |
| Type | Substitutes | Base Diagram |
|---|---|---|
| VT91A | 6J7GT, 6J7G, 6J7, 6J7GTX, 6J7MG, 6W7G* | |
| Notes: | * - Parallel filaments |
| Basing | 7R |