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CV1948 beam tetrode
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This valve measures 103x41mm overall and has an octal base |
| Heater voltage | 6.3V |
| Heater current | 900mA |
| Average characteristics |
| Anode voltage | 250V |
| Screen voltage | 250V |
| Control grid voltage | -14V |
| Anode current | 72mA |
| Screen current | 5mA |
| Anode resistance | 22.5kΩ |
| Amplification factor | 135 |
| Transconductance | 6000 micromhos |
| Pin | Function |
| 1 | Shell |
| 2 | Heater |
| 3 | Anode |
| 4 | Screen grid |
| 5 | Control grid |
| 6 | no pin |
| 7 | Heater |
| 8 | Cathode + beam plates |
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