Antique radios, Old Time Radios
C443N-serie250
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Country:
Netherlands
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| Identical to |
C443N-serie250
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| Similar
Tubes |
Normally replaceable-slightly different:
C443N/S
Other base:
C443N-serie250_UY
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC |
| Description |
Vg1: -20V
Vg2: 150V
Va: 300V
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| Information source |
- - Manufacturers Literature
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C443N-serie250: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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C443N-serie250: own collection
Peter den Boer
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