Antique radios, Old Time Radios
D471
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Country:
United States of America (USA)
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Brand:
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DeForest-Tubes |
| Tube type: |
Triode, vacuum Power/Output |
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Ca. 1925 up to 1945 rare. |
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| Identical to |
D471
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| Similar
Tubes |
Normally replaceable-slightly different:
UX171
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
|
| Filament |
Vf 5 Volts / If 0.5 Ampere / Direct / Battery = |
| Information source |
- - Manufacturers Literature 1927
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D471
Anonymous 10 Collector
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Just Qvigstad
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D471: own collection
Peter den Boer
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