CV1407 beam tetrode
 |
This valve measures 115x45mm overall and has a Mazda octal base |
| Heater voltage | 4.0V |
| Heater current | 1.75A |
| Max anode voltage | 250V |
| Max screen voltage | 250V |
| Mutual conductance * | 9.0mA/V |
*: At Va=100V, Vg2=100V, Vg1=0V
| Pin | Function |
| 1 | Heater |
| 2 | Cathode and beam plates |
| 3 | Anode |
| 4 | Screen grid |
| 5 | Control grid |
| 6 | Metallising |
| 7 | No pin |
| 8 | Heater |
