| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Triode Universal |
|
Tube ID = 3955
|
 |
| Identical to |
7N7
|
| Similar
Tubes |
14N7 (Heater different)
6SN7GT (other base)
6CG7 (other base)
6F8G (other base)
6FQ7 (other base)
|
| First Source
(s) |
15.Apr.1940 : Electron Tube Registration List
|
| Predecessor Tubes |
6F8G
|
| Successor Tubes |
6CG7
6FQ7
|
|
| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=W)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.6 Ampere /
Vf 6.3 Volts /
|
| Tube prices |
2 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
|
|
|
|
Timo Tuunanen
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
|
