Antique radios, Old Time Radios
KR47
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Country:
United States of America (USA)
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| Identical to |
KR47
= UY247
= 247
= 47
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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 1.75 Ampere / Direct / Specified voltage AND current AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 137 x 54 mm / x 5.39 x 2.13 inch |
| Weight |
70 g / 2.47 oz |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 203, page 402
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KR47: Fin Stewart
Fin Stewart
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Just Qvigstad
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