Tube Substitutions for:
EF37
Vacuum Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| EF37 |  | |
| Web References | EF37 (Mullard) @ Franks Electron Tubes EF37 @ RadioMuseum.org | |
Vacuum Pentode
MECHANICAL DATA
| Basing | 7R |
| Type | Substitutes | Base Diagram |
|---|---|---|
| EF37 | | |
| Web References | EF37 (Mullard) @ Franks Electron Tubes EF37 @ RadioMuseum.org | |
| Basing | 7R |