Tube Substitutions for:
4GS7
Triode-Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 4GS7 | 4LJ8 |  |
| Web References | 4GS7 (RMA/EIA) @ Franks Electron Tubes 4GS7 @ RadioMuseum.org | |
Triode-Pentode
MECHANICAL DATA
| Basing | 9GF |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 4GS7 | 4LJ8 | |
| Web References | 4GS7 (RMA/EIA) @ Franks Electron Tubes 4GS7 @ RadioMuseum.org | |
| Basing | 9GF |