CV631 / 828 pentode
 |
This valve measures 195x48mm overall and has a 5-pin base |
This valve is described as a transmitting beam power amplifier. Inspection of the electrode structure shows it to be a pentode.
| Filament voltage | 10V |
| Filament current | 3.25A |
| Max anode dissipation | 70W |
| Typical operating conditions | |
| Anode voltage | 1250V |
| Anode current | 160mA |
| Power output | 150W |
| Control grid voltage | -95V |
| Control grid current | 15mA |
| Screen grid voltage | 400V |
| Capacitances | |
| Cag | 0.07pF |
| Cgf | 12pF |
| Caf | 14pF |
| Pin | Function |
| 1 | Filament |
| 2 | Screen grid |
| 3 | Control grid |
| 4 | Suppressor grid |
| 5 | Filament |
| TC | Anode |
