 |
| Identical to |
1702
|
| Similar
Tubes |
1701 (other characteristic (electr. data))
|
| First Source
(s) |
1927 : -- Schematic
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
|
| Filament |
-: Direct /
-: Parallel, (AC/DC) /
If: 3 Ampere /
Vf 1.8 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
collection JR
Jacob Roschy
|
|
Röhrentaschenbuch VT 1962
Jörg Kulbe
|
|
 |