Antique radios, Old Time Radios
40_Arcturus
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Country:
United States of America (USA)
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| Identical to |
40_Arcturus
= SO-1
= AC-40
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| Similar
Tubes |
Normally replaceable-slightly different:
A40
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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 0.4 Ampere / Half indirect / Specified voltage AC/DC |
| Description |
Not to be confused with the common (Raytheon) tube 40 with a 5 volt heater. This tube has a carbon filament and operated at 15 volts. This voltage was chosen by the manufacturer to make use of the 15 volt AC transformers used in toy trains.
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Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
49 g / 1.73 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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40_Arcturus: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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Collection of
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