Tube Substitutions for:
25W4
Half-Wave High-Vacuum Rectifier
| Type | Substitutes | Base Diagram |
|---|---|---|
| 25W4 | 12AX4, 25D4 |  |
| Web References | 25W4 @ RadioMuseum.org | |
Half-Wave High-Vacuum Rectifier
MECHANICAL DATA
| Basing | 4CG |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 25 | Volts |
| Heater Current | 0.3 | A |