Tube Substitutions for:
8448
Vacuum Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 8448 | 12BY7, 12BY7A, 12BV7, 12DQ7, 7733 |  |
| Web References | 8448 (Tung-Sol) @ Franks Electron Tubes 8448 @ RadioMuseum.org | |
Vacuum Pentode
MECHANICAL DATA
| Basing | 9BF |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 8448 | 12BY7, 12BY7A, 12BV7, 12DQ7, 7733 | |
| Web References | 8448 (Tung-Sol) @ Franks Electron Tubes 8448 @ RadioMuseum.org | |
| Basing | 9BF |