Antique radios, Old Time Radios
48_Arcturus
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Country:
United States of America (USA)
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| Identical to |
48_Arcturus
= AC-48
= RA-1
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 15 Volts / If 0.35 Ampere / Half indirect / Specified voltage AC/DC |
| Description |
Special indirectly heated tube from 1928 with one end of the 15 volt AC heater connected internally to the cathode. The result was an AC tube with a standard 4 pin base which could be used to "electify" battery receivers. There were 7 tubes in the 15 volt series with numbers running from AC22 to AC48. Arcturus did not use the "AC" prefix on the tube numbers in their ads, but the earliest production tubes were so marked on their bases. See also Sonora RA-1 = AC48 or 48.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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48_Arcturus: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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