 |
| Identical to |
E424N
= REN904
= A4110
= WE27
= RS4324
= LA203
|
| First Series |
1929 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Oct.1931 : -- Original-techn. papers.
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=F)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
If: 1 Ampere /
Vf 4 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
ficha de valvulas
Getulio Jimenez-Gomez
|
|
|
|
P.ST
Peter Steffen
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
