Antique radios, Old Time Radios
1B4T
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Screen-grid Tetrode Audio Frequency |
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| Identical to |
1B4T
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| Similar
Tubes |
Normally replaceable-slightly different:
1B4P
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.06 Ampere / Direct |
| Information source |
- - Manufacturers Literature Canadian Marconi price list July 1939
Babani, International Radio Tube Encyclopaedia p. 2 & 3
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1B4T: Fin Stewart
Fin Stewart
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Just Qvigstad
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