CV2106 / CV2288 pentode
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This valve measures 31x8x5mm overall and has a 5 lead base. |
EVS data shows both the CV2106 and CV2288 are based on the DL66, however there are differences in the specs of each.
| CV2106 | CV2288 | |
| Filament voltage | 1.25V | |
| Filament current | 15mA | |
| Max anode voltage | 45V | 65V |
| Max screen voltage | 45V | 65V |
| Mutual conductance * | 350µA/V | |
| Anode impedance * | 300k ohms | |
| Nominal power output * | 2.5mW | |
| Max cathode current | 800µA | |
| Max anode dissipation | 50mW | |
| Optimal anode load | 0.075M ohms | Not specified |
| Capacitances (unscreened) | ||
| Cag | 0.2pF | |
| Cin | 2.5pF | |
| Cout | 3.7pF | |
*: At Va=Vg2=22.5, Vg1=1.4
| Lead | Function |
| 1 | Anode (marked with red spot) |
| 2 | Screen grid |
| 3 | Filament +ve |
| 4 | Control grid |
| 5 | Filament -ve, suppressor grid |
