Antique radios, Old Time Radios
49B2
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Country:
United States of America (USA)
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| Identical to |
49B2
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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=Uc)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
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| Description |
48.6 V voltage drop at 300 mA. Intermediate tap for driving two #40 or similar pilot lamps at about 4.25 V. 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
- - Manufacturers Literature
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49B2: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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