|
Telefunken DF11 pentode
 |
This valve measures 47x38mm
overall and has an 8-pin base. |
The valve has the number 309
stamped into the top and Wehrmacht, 02 45, BAL6674 on the side. 'ap00'
appears on the base.
| Filament voltage |
1.2V |
| Filament current |
25mA |
| Anode voltage |
90V |
| Control grid voltage |
-5.5V |
| Screen voltage |
50V |
| Anode current |
0.9mA |
| Screen current |
0.18mA |
| Mutual conductance |
0.65mA/V |
| Anode dissipation |
0.5W |
| Pin |
Function |
| 1 |
Screen grid |
| 2 |
Control grid |
| 3 & 6 |
Filament and Suppressor
grid |
| 4 |
n/c |
| 5 |
Filament |
| 7 |
n/c |
| 8 |
Anode |
|
 |
