CV409 / A1820 video amplifier tetrode
 |
This valve measures 82x36mm overall and has a B8G base. |
| Heater voltage | 6.3V |
| Heater current | 950mA |
| Max anode voltage | 300V |
| Max screen voltage | 300V |
| Max anode dissipation | 10W |
| Max screen dissipation | 2W |
| Mutual conductance (Va=Vg2=250) | 10.5mA/V |
| Capacitances | |
| Cae | 8.5pF |
| Cge | 12.0pF |
| Cag | 0.05pF |
| Pin | Function |
| 1 | Heater |
| 2 | Anode |
| 3 | Screen grid |
| 4 | Screen |
| 5 | Screen |
| 6 | Control grid |
| 7 | Cathode |
| 8 | Heater |
