Antique radios, Old Time Radios
SO-1
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Country:
United States of America (USA)
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| Identical to |
SO-1
= AC-40
= 40_Arcturus
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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) (Codex=Bn)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 15 Volts / If 0.4 Ampere / Half indirect |
| Description |
The Sonora tube SO-1 (wrong = SO1, S01) is an Arcturus AC40 power tube (40_Arcturus) labeled for Sonora - one of the 15 volt heater tubes with a carbon filament. This voltage was chosen by the manufacturer to make use of the availability of 15 volt AC transformers for use in toy trains.
Text in other
languages (may
differ)
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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 |
Tube Lore (II) p.35
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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SO-1: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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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
Collection of
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