Antique radios, Old Time Radios
8A1
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Country:
Great Britain (UK)
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| Identical to |
8A1
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| Similar
Tubes |
Normally replaceable-slightly different:
E446
Other base:
8A1_7pin
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| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect |
| Description |
Listed on page 66 of the Supplement to "British Radio Valves The Classic Years 1926 - 1946", as Micromesh brand.
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| Information source |
History of the British Radio Valve to 1940 p. 144 & 194
Babani, International Radio Tube Encyclopaedia p. 16 & 17
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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8A1: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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8A1: Brimar Radio Valves 1936
Adrian Riesen
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10
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