Antique radios, Old Time Radios
55A1
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Country:
United States of America (USA)
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| Identical to |
55A1
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| First Source
(s) |
17.Sep.1935 : Electron Tube Registration List
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
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| Description |
54.9 V voltage drop at 300 mA. Metal shield similar to that of 5Z4
Registered to Champion Radio Tube Company.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Ballast-Tube Handbook; Jacobi 1985
- - Manufacturers Literature
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55A1: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
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