 |
| Identical to |
G409
|
| Similar
Tubes |
RE084 (can normally be replaced - small diff'ce)
|
| First Source
(s) |
21.Jun.1929 : Radio-Expres, Netherlands
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
|
| Filament |
-: Direct /
-: Battery = /
If: 0.08 Ampere /
Vf 4 Volts /
|
| Description |
gm=2.4, Ra=7k
|
| Literature |
Radio-Expres, Netherlands
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
mb
Martin Bösch
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
 |