CV1503 / VR503 / 10E/382 output tetrode
 |
This valve measures 117x43mm overall and has an octal base. |
| Heater voltage * | 26V |
| Heater current * | 300mA |
| Max anode voltage | 250V |
| Max screen voltage | 200V |
| Max anode dissipation | 13W |
| Max screen dissipation | 2.8W |
| Mutual conductance ** | 10mA/V |
*: The two halves of the heater can be connected in parallel to give a rating of 13V/600mA
**: At Va=Vg2=175V, Vg1=-9.5V, Ia=70mA
| Pin | Function |
| 1 | Heater centre tap |
| 2 | Heater |
| 3 | Anode |
| 4 | Screen grid |
| 5 | Control grid |
| 6 | No pin |
| 7 | Heater |
| 8 | Cathode |
