Brimar CV4068 / 6158 reliable double triode
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This valve measures 53x19mm overall and has a B9A base.
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This valve was based on the CV2212. See also CV4069 which is the flying lead version.
| Heater voltage | 6.3/12.6V |
| Heater current | 600/300mA |
| Max operating anode voltage | 300V |
| Max anode voltage (Ia=0) | 550V |
| Max anode dissipation (per side) | 5W |
| Max heater - cathode voltage | 200V |
| Max peak cathode current | 35mA |
| Max negative grid voltage | -75V |
| Max shock (short duration) | 500g |
| Max acceleration (continuous operation) | 2.5g |
| Mutual conductance * | 2.3mA/V |
| Amplification factor * | 32 |
| Capacitances (per side, in close fitting metal screen) | |
| Cin nom | 2.2pF |
| Cout nom | 2.0pF |
| Ca, g nom | 1.9pF |
| Ca1, a2 | 0.46pF |
| Pin | Function |
| 1 | Anode " |
| 2 | Grid " |
| 3 | Cathode " |
| 4 | Heater |
| 5 | Heater |
| 6 | Anode ' |
| 7 | Grid ' |
| 8 | Cathode ' |
| 9 | Heater centre tap |
