CV5172 heptode frequency changer
 |
This valve measures 53x17mm overall and has a B7G base |
| Filament voltage | 1.4V |
| Filament current | 50mA |
| Max anode voltage | 90V |
| Max grid 2 voltage | 60V |
| Max grid 4 voltage | 90V |
| Max cathode current | 4mA |
For full specification see DK92.
| Pin | Function |
| 1 | Filament -ve |
| 2 | Anode |
| 3 | Grid 2 |
| 4 | Grid 1 |
| 5 | Grid 4 |
| 6 | Grid 3 |
| 7 | Filament +v1 + Grid 5 |
