GEC TT100 beam tetrode
 |
This valve measures 125x75mm
overall and has a 12 pin base. |
| Heater voltage |
6.3/12.6V |
| Heater current |
3.2/1.6A |
| Max anode voltage |
3500V |
| Max anode current |
850mA |
| Max screen voltage |
300V |
| Max heater/cathode voltage |
100V |
| Max anode dissipation |
100W |
| Max screen dissipation |
10W |
| Max peak cathode current |
2A |
| Max cathode current |
600mA |
Internally this valve is constructed
as two parallel electrode systems in a common anode.
| Pin |
Function |
| 1 |
Heater |
| 2 |
Cathode and beam plates |
| 3 |
Heater centre tap |
| 4 |
Control grid |
| 5 |
Cathode and beam plates |
| 6 |
Screen grid |
| 7 |
Screen grid |
| 8 |
Cathode and beam plates |
| 9 |
Control grid |
| 10 |
Heater centre tap |
| 11 |
Cathode and beam plates |
| 12 |
Heater |
| TC |
Anode |
|
 |
