Antique radios, Old Time Radios
42A1
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Country:
United States of America (USA)
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| Identical to |
42A1
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| First Source
(s) |
17.Sep.1935 : Electron Tube Registration List 47
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
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| Filament |
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| Description |
Ballast tube for use with 300 mA serie tubes, no pilot lamp taps, giving 42.3V drop.
Registered to Champion Radio Tube Co.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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42A1: Manufacturer's Literature
Emilio Ciardiello
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