CV1758 / 1L4 HF pentode
 |
This valve measures 54x17mm overall and has a B7G base. |
| Filament voltage | 1.4V |
| Filament current | 50mA |
| Max anode voltage | 120V |
| Max screen voltage | 100V |
| Mutual conductance * | 1.03mA/V |
| Anode impedance * | 170k ohms |
| Anode current * | 4.5mA |
| Screen current * | 2.0mA |
| Max cathode current | 6.5mA |
| Capacitances | |
| Cag max | 0.01pF |
| Cae | 7.5pF |
| Cge | 3.6pF |
*: At Va=Vg2=90V, Vg1=0
| Pin | Function |
| 1 | Filament -ve, suppressor grid, shield |
| 2 | Anode |
| 3 | Screen grid |
| 4 | n/c |
| 5 | Filament -ve, suppressor grid, shield |
| 6 | Control grid |
| 7 | Filament +ve |
See also CV2795 which is a selected version of this valve
