Antique radios, Old Time Radios
4DR
|
Country:
Spain
|
|
| Identical to |
4DR
|
| Similar
Tubes |
Other characteristic (electr. data):
A441N
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eu)
Sidecontact.
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.08 Ampere / Direct / Battery = |
| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 106
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 149, p. 213
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
|
|
4DR: rtt
Anonymous 10 Collector
|
Just Qvigstad
|
4DR: Castilla 1930
Anonymous 15 Collector
|
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
