CV2578 double triode
 |
This valve measures 55x19mm overall and has a B9A base |
This is a general purpose medium-mu double triode.
| Heater voltage | 12.6V / 6.3V |
| Heater currrent | 450mA / 900mA |
| Max anode voltage | 300V |
| Max PIV | 1000V |
| Max anode dissipation | 4.5W |
| Max total dissipation (both sides) | 7.5W |
| Max bulb temperature | 220C |
| Max grid current | 6mA |
| Pin | Function |
| 1 | Anode " |
| 2 | Grid " |
| 3 | Cathode " |
| 4 | Heater |
| 5 | Heater |
| 6 | Cathode ' |
| 7 | Grid ' |
| 8 | Heater centre tap |
| 9 | Anode ' |
