Antique radios, Old Time Radios
DFA1
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Country:
Great Britain (UK)
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| Identical to |
DFA1
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| Similar
Tubes |
Other base:
DFA1_UV
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| First year |
1924
Saga of the Vacuum Tube, Tyne Seite 378
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| First Source
(s) |
1924 : Saga of the Vacuum Tube, Tyne
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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 5.5 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
Low consumption loud speaker valve.
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| Information source |
Saga of the Vacuum Tube, Tyne 1925 Brown Brothers Catalog 217
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DFA1: Fin Stewart
Fin Stewart
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Just Qvigstad
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DFA1: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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