CV858 double triode
 |
This valve measures 52x17mm overall and has a B7G base |
See also CV4031 which is based on this valve, and CV2010 which is a CV858 with a modified base.
| Heater voltage | 6.3V | |
| Heater current | 0.45A | |
| Max anode voltage | 330V | |
| Max anode dissipation, per anode | 1.6W | |
| Mutual conductance | Va=100V; Vg=0V; Cathode resistor=50 ohms | 5.6mA/V |
| Amplification factor | 38 | |
| Max frequency | 250MHz | |
| Pin | Function |
| 1 | Anode 2 |
| 2 | Anode 1 |
| 3 | Heater |
| 4 | Heater |
| 5 | Control grid 1 |
| 6 | Control grid 2 |
| 7 | Cathode |
