Tube Substitutions for:
8278
Beam Power Tube
| Type | Substitutes | Base Diagram |
|---|---|---|
| 8278 |  | |
| Web References | 8278 (Amperex) @ Franks Electron Tubes 8278 @ RadioMuseum.org | |
Beam Power Tube
MECHANICAL DATA
| Basing | 9QB |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 8278 | | |
| Web References | 8278 (Amperex) @ Franks Electron Tubes 8278 @ RadioMuseum.org | |
| Basing | 9QB |