Antique radios, Old Time Radios
B25_Ballast
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Country:
United States of America (USA)
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| Identical to |
B25_Ballast
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| Base |
Edison big E27 = 27 mm
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| Filament |
Direct |
| Description |
This is a medium sized current regulator tube made by GE around 1940-45. It has an S17 straight conical shaped bulb and can be confused with light bulbs of this style. It is similar to the B3 and is possibly a replacement for it. It has a single "crimped" filament in an inverted "U" shape, held in place at the top by a sturdy anchor wire embedded in the press. Voltage range is 7 to 16 and the current in amps is 1.07 to 1.16.
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Dimensions (WHD)
incl. pins / tip |
56 x 117 x mm / 2.20 x 4.61 x inch |
| Information source |
- - Manufacturers Literature Data sheet ETI-194 dated April 1945.
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Just Qvigstad
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B25_Ballast: GE Ballst Tubes ETI-194
Daniel Consales
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