| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Triode Universal |
|
Tube ID = 3924
|
 |
| Identical to |
14AF7
|
| Similar
Tubes |
7AF7 (Heater different)
XXD (can normally be replaced - small diff'ce)
|
| First Source
(s) |
21.Sep.1942 : Electron Tube Registration List
|
| Predecessor Tubes |
12AH7GT
|
| Successor Tubes |
12AU7
|
|
| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=W)
|
| 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
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
|
