Tube Substitutions for:
4X250B
Power Tetrode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 4X250B | 7203, 6979 |  |
| Web References | 4X250B (Eimac) @ Franks Electron Tubes 4X250B (Eimac) @ Franks Electron Tubes | |
Power Tetrode
MECHANICAL DATA
| Basing | F75 |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6 | Volts |
| Heater Current | 2.1 | A |