Antique radios, Old Time Radios
Duotron4E
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Country:
Germany
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| Identical to |
Duotron4E
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| Base |
SPECIAL TUBEBASE in general
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| Filament |
Vf 3.5 Volts / If 0.14 Ampere / Direct / Battery = |
| Description |
This is a gaseous double triode. Both systems for NF amplification. See data.
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| Information source |
- - Manufacturers Literature
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Duotron4E
Peter den Boer
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Duotron4E: own collection
Peter den Boer
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