CV1699 RF pentode
This valve is based on the SP41 and is also marked SP41.
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This valve measures 92x30mm overall and has a Mazda Octal base |
| Heater voltage | 4.0V |
| Nominal heater current | 950mA |
| Max anode voltage | 250V |
| Max screen voltage | 250V |
| Mutual conductance * | 8.5mA/V |
| Capacitances | |
| Cag max | 0.02pF |
| Cae max | 6.0pF |
| Cge max | 12.0pF |
*: At Va=200, Vg1=-1.5, Vg2=200
| Pin | Function |
| 1 | Heater |
| 2 | Cathode |
| 3 | Anode |
| 4 | Screen grid |
| 5 | Suppressor grid |
| 6 | Metallising |
| 7 | No pin |
| 8 | Heater |
| TC | Control grid |
