Tung-sol 6550 beam tetrode
 |
This valve measures 114x50mm
overall and has an octal base. |
| Heater voltage |
6.3V |
| Heater current |
1.6A |
| Max anode voltage |
800V |
| Max anode current |
230mA |
| Max anode dissipation |
40W |
| Max screen voltage |
600V |
| Max screen dissipation |
7W |
| Pin |
Function |
| 1 |
n/c |
| 2 |
Heater |
| 3 |
Anode |
| 4 |
Screen grid |
| 5 |
Control grid |
| 6 |
n/c |
| 7 |
Heater |
| 8 |
Cathode + beam plates |
|
 |