| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Pentagrid-Converter (Heptode) Pentagrid (old) Controlling (mu) |
|
Tube ID = 3938
|
 |
| Identical to |
1C7G
|
| First Source
(s) |
04.May.1936 : Electron Tube Registration List
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ut)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.12 Ampere /
Vf 2 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
ebay
Uwe Rössler
|
|
1C7G RCA Data Sheet 1947
Vitor Oliveira
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
|
