Antique radios, Old Time Radios
248
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Country:
United States of America (USA)
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| Identical to |
248
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| Similar
Tubes |
Other shape (e.g. bulb type):
47
; UY247
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC |
| Description |
This tube was announced by Ken Rad in 1931, for use in the output stage of AC receivers. It has not been found to have been used in any known receivers.
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Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
50 g / 1.76 oz |
| Information source |
-- Collector info (Sammler)
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248: Fin Stewart
Fin Stewart
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Just Qvigstad
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