Tube Substitutions for:
N17
Vacuum Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| N17 | 3Q4ยง, 3S4SF*, 3W4*, 3S4 |  |
| Notes: | * - Parallel filaments | |
| Web References | N17 (Marconi) @ Franks Electron Tubes N17 @ RadioMuseum.org | |
Vacuum Pentode
MECHANICAL DATA
| Basing | 7BA |
| Type | Substitutes | Base Diagram |
|---|---|---|
| N17 | 3Q4ยง, 3S4SF*, 3W4*, 3S4 | |
| Notes: | * - Parallel filaments | |
| Web References | N17 (Marconi) @ Franks Electron Tubes N17 @ RadioMuseum.org | |
| Basing | 7BA |