Tube Substitutions for:
3DY4
Medium-Mu Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 3DY4 | 3DX4, 3AF4, 3DZ4, 3DY4A |  |
| Web References | 3DY4 (Sylvania) @ Franks Electron Tubes 3DY4 @ RadioMuseum.org | |
Medium-Mu Triode
MECHANICAL DATA
| Basing | 7DK |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 3DY4 | 3DX4, 3AF4, 3DZ4, 3DY4A | |
| Web References | 3DY4 (Sylvania) @ Franks Electron Tubes 3DY4 @ RadioMuseum.org | |
| Basing | 7DK |