| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Diode-Triode RF/IF-Stage |
|
Tube ID = 2950
|
 |
| Identical to |
12Q7G
|
| Similar
Tubes |
12Q7GT (other shape (e.g. bulb, size))
6Q7 (Heater and shape different)
6Q7G (Heater different)
|
| First Source
(s) |
22.May.1939 : Electron Tube Registration List
|
| Predecessor Tubes |
6Q7G
|
| Successor Tubes |
12SQ7
12SQ7GT
12Q7GT
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.15 Ampere /
Vf 12.6 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
|
