| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
HalfWave Rectifier-BeamPowerTetrode |
|
Tube ID = 3146
|
 |
| Identical to |
70L7GT
|
| Similar
Tubes |
70A7GT (Multiple differences or of other kind)
|
| First Source
(s) |
28.Mar.1939 : Electron Tube Registration List
|
| Predecessor Tubes |
32L7GT
25A7GT
12A7
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uhb)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Series, AC/DC /
If: 0.15 Ampere /
Vf 70 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
collection JR
Jacob Roschy
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
 |