Tube Substitutions for:
HY145
Vacuum Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| HY145 | 1AF4*, 1U4WA, HY115, 1U4 |  |
| Notes: | * - Parallel filaments | |
| Web References | HY145 @ RadioMuseum.org | |
Vacuum Pentode
MECHANICAL DATA
| Basing | 6AR |
| Type | Substitutes | Base Diagram |
|---|---|---|
| HY145 | 1AF4*, 1U4WA, HY115, 1U4 | |
| Notes: | * - Parallel filaments | |
| Web References | HY145 @ RadioMuseum.org | |
| Basing | 6AR |