Antique radios, Old Time Radios
AC-30
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Country:
United States of America (USA)
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| Identical to |
AC-30
= 30_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 0.35 Ampere / Half indirect / Specified voltage AC/DC |
| Description |
This tube is a power amplifier type having a special UX base with side terminals. One of these is for the grid so that the tube can be used as a replacement for a normal triode, using a C battery. The other side terminal is connected directly to the anode pin. The filament of this tube is carbon and operates at 15 volts. This voltage was chosen by the manufacturer to make use of the availability of 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 |
Saga of the Vacuum Tube, Tyne p.342
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AC-30: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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