CV4070 / 6AQ4 reliable grounded-grid triode
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This valve measures 53x17mm overall and has a B7G base. |
Based on CV417 which also shares the 6AQ4 designation.
| Heater voltage | 6.3V |
| Heater current | 300mA |
| Max anode voltage (Ia=0) | 550V |
| Max operating anode voltage | 275V |
| Max anode dissipation | 3W |
| Max mean cathode current | 17mA |
| Max heater cathode voltage | 150V |
| Max grid cathode voltage | 100V |
| Max operating frequency | 250MHz |
| Max bulb temperature | 165C |
| Max shock (short duration) | 500g |
| Max acceleration (continuous operation) | 2.5g |
| Min grid voltage to ensure cut off to a slope of 100µA/V | -8.0V |
| Mutual conductance (Va=250; Vg=-1.5) | 8.5mA/V |
| Amplification factor | 90 |
| Capacitances (in close fitting metal screen) | |
| Cg, kh nom | 5.25pF |
| Ca, kh max | 0.2pF |
| Ca, g nom | 3.8pF |
| Ck, gh nom | 8.5pF |
| Pin | Function |
| 1 | Grid |
| 2 | Cathode |
| 3 | Heater |
| 4 | Heater |
| 5 | Cathode |
| 6 | Grid |
| 7 | Anode |
