| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Triode-Heptode |
|
Tube ID = 3340
|
 |
| Identical to |
7D7
|
| Predecessor Tubes |
6K8G
|
|
| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=W)
|
| Filament |
-: Indirect /
If: 0.48 Ampere /
Vf 7 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
 |
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
 |