 |
| Identical to |
G490
= 506
= RGN1054
|
| Similar
Tubes |
1823 (can normally be replaced - small diff'ce)
|
| First Series |
1929 Tube leaflet collection E.Erb Analysis by original leaflets |
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Parallel, (AC/DC) /
If: 1 Ampere /
Vf 4 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
CA
Christian ADAM
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
