Tube Substitutions for:
37A
Medium Mu Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 37A | 37, 76, 56A*, 56AS*, 67*, 67A* |  |
| Notes: | * - Parallel filaments | |
| Web References | 37A @ RadioMuseum.org | |
Medium Mu Triode
MECHANICAL DATA
| Basing | 5A |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.3 | A |