Tube Substitutions for:
57AS
Sharp Cutoff Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 57AS | 57A, 6C6*, 77* |  |
| Notes: | * - Parallel filaments | |
| Web References | 57AS @ RadioMuseum.org | |
Sharp Cutoff Pentode
MECHANICAL DATA
| Basing | 6F |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.4 | A |