Antique radios, Old Time Radios
B11_tetrode
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Country:
Austria
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| Identical to |
B11_tetrode
= A441
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| First year |
1927
Radios von gestern, 2. Auflage Seite 223, aus Radiowelt 1927 / 39
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| Base |
Europe 4-Pin B4 + side contact (Codex=Eu)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.08 Ampere / Direct / Battery = |
| Description |
Im Codex 1948 als Orion geführt ...
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B11_tetrode: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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