Antique radios, Old Time Radios

558
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Country:
United States of America (USA)
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| Identical to |
558
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Filament |
If 12 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
This tube is a "clipper dde" or rctifier. It has a bonded thoria filament.
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Dimensions (WHD) incl. pins / tip |
x 115 x 36 mm / x 4.53 x 1.42 inch |
| Weight |
80 g / 2.82 oz |
| Information source |
Tube Lore (II) p.162
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Just Qvigstad
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