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 |
|
 |
