 |
| Identical to |
E415
= A4100
= REN804
= KL1/ACR
= AI1212
|
| Similar
Tubes |
KL1_MO (Heater different)
NN4 (can normally be replaced - small diff'ce)
WG41_Eagle (can normally be replaced - small diff'ce)
E415_4pin (other base)
|
| First Series |
1928 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Aug.1928 : -- Original-techn. papers.
1928 : Saga of the Vacuumtube, Tyne p.422
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=F)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
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
|
|
g.h.
Gerhard Heigl
|
|
|
