| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Pentagrid-Converter (Heptode) Pentagrid (new) Controlling (mu) |
|
Tube ID = 2634
|
 |
| Identical to |
12SA7
= VT-161
|
| Similar
Tubes |
12SA7GT (other shape (e.g. bulb, size))
14Q7 (other base)
6SA7 (Heater different)
12SA7G (other shape (e.g. bulb, size))
12SY7 (other class quality (otherw. equal))
|
| First Series |
1939 -- Collector info (Sammler) |
| First Source
(s) |
02.Feb.1939 : Electron Tube Registration List
|
| Predecessor Tubes |
12A8G
12K8
|
| Successor Tubes |
12BE6
12BA7
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ud)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Series, AC/DC /
If: 0.15 Ampere /
Vf 13 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
|
|
 |
|
Röhrensammlung
Wolfgang Bauer
|
|
Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund
|
|
SEL Handbuch 1964
Peter Hoddow
|
|
 |