 |
| Identical to |
E447
= H4129D
= RENS1294
= A4AMS
= A4AMS2
= TE47
= WE24
= LAS324
= HP4106
= RS4347
|
| Similar
Tubes |
AF2 (can normally be replaced - small diff'ce)
B2047 (Heater different)
NVS43 (can normally be replaced - small diff'ce)
S434N (can normally be replaced - small diff'ce)
|
| First Series |
1933 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Apr.1933 : Philips Bulletin
|
| Successor Tubes |
AF2
AF3
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=Fco)
Top contact screw type
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 1.1 Ampere /
Vf 4 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
ficha de valvulas
Getulio Jimenez-Gomez
|
|
|
|
Röhrensammlung
Wolfgang Bauer
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
