STC CV1670 / 3A/172B triode
 |
This valve measures 112x38mm overall and has a 7 pin base. |
| Nominal heater voltage | 13.0 | |
| Heater current | 200mA | |
| Max anode voltage | 250V | |
| Amplification factor | (Va=100V; Vg=0) | 40 |
| Mutual conductance | 4mA/V | |
| Anode impedance | 10k ohms | |
| Pin | Function |
| 1 | Metallising if present |
| 2 | n/c |
| 3 | n/c |
| 4 | Heater |
| 5 | Heater |
| 6 | Cathode |
| 7 | Anode |
| TC | Grid |
