Tube Substitutions for:
2DY4
Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 2DY4 | 2DX4, 2DY4A |  |
| Web References | 2DY4 (Sylvania) @ Franks Electron Tubes 2DY4 @ RadioMuseum.org | |
Triode
MECHANICAL DATA
| Basing | 7DK |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 2DY4 | 2DX4, 2DY4A | |
| Web References | 2DY4 (Sylvania) @ Franks Electron Tubes 2DY4 @ RadioMuseum.org | |
| Basing | 7DK |