| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Pentagrid-Converter (Heptode) Pentagrid (new) Controlling (mu) |
|
Tube ID = 2645
|
 |
| Identical to |
14Q7
|
| Similar
Tubes |
7Q7 (Heater different)
12SA7 (other base)
|
| First Source
(s) |
01.Mar.1940 : Electron Tube Registration List
|
| Predecessor Tubes |
12A8G
14B8
|
| Successor Tubes |
12BE6
|
|
| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=Wd)
|
| 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 |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
C.M.
Mario Coelho
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
|
