 |
| Identical to |
A.T.20
|
| Similar
Tubes |
D404 (can normally be replaced - small diff'ce)
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
If: 0.6 Ampere /
Vf 4 Volts /
|
| Description |
See also AT20 - according to the German "Codex 1948" the AT20 is a "English Army valve" with a heater of 6 volts and other data.
Text in other
languages (may
differ)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
rtt
Michael Schlör
|
|
|
