Antique radios, Old Time Radios
DE3B
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Country:
Great Britain (UK)
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| Identical to |
DE3B
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| First year |
1925
Saga of the Vacuum Tube, Tyne Seite 382
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| First Source
(s) |
1924 : British Radio Valves - The Vintage Years: 1904-1925
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.8 Volts / If 0.06 Ampere / Direct / Battery = |
| Description |
For resistance capacity coupling OR
Used in HF stage with Va 80V and Vg 0V, Ia 1.0mA
As detector with Va 80V and Vg +2.8V, Ia 1.2mA (Manufacturer's data 1926)
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| Information source |
Saga of the Vacuum Tube, Tyne 1925 Brown Brothers Catalog 217
- - Manufacturers Literature
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DE3B: Fin Stewart
Fin Stewart
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Just Qvigstad
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DE3B: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
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