CV472 low microphony pentode
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This valve measures 35x9mm overall and has 8 leads. |
See also CV476 which is a modified version of this valve, and CV4503 which is based on this valve.
| Heater voltage | 6.3V |
| Heater current | 200mA |
| Max anode voltage (Ia=0) | 350V |
| Max screen voltage (Ig2=0) | 350V |
| Max anode dissipation | 1W |
| Max screen dissipation | 400mW |
| Max operating anode voltage | 190V |
| Max operating screen voltage | 190V |
| Mutual conductance * | 3.1mA/V |
| Anode current * | 7mA |
| Screen current * | 2.4mA |
| Max cathode current | 12mA |
| Capacitances (close fitting metal screen) | |
| Cge nom | 4pF |
| Cae nom | 5pF |
| Cag max | 0.15pF |
| Lead | Function |
| 1 | Heater |
| 2 | Anode |
| 3 | Cathode |
| 4 | Suppressor grid |
| 5 | no wire |
| 6 | Heater |
| 7 | Anode |
| 8 | Screen grid |
| 9 | no wire |
| 10 | Control grid |
