Antique radios, Old Time Radios
AC-22
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Country:
United States of America (USA)
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| Identical to |
AC-22
= 22_Arcturus
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| First year |
Nov.1927
Saga of the Vacuum Tube, Tyne Seite 342
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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 3.5 Ampere / Half indirect / Specified voltage AC/DC |
| Description |
The filament of this tube is carbon and it operates at 15 volts. This voltage was chosen by the manufacturer to make use of the availability of 15 volt AC transformers for toy trains.
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Dimensions (WHD)
incl. pins / tip |
x 125 x 45 mm / x 4.92 x 1.77 inch |
| Weight |
49 g / 1.73 oz |
| Information source |
Saga of the Vacuum Tube, Tyne p.342
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AC-22: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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