Antique radios, Old Time Radios
233B
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Country:
United States of America (USA)
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| Identical to |
233B
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| Similar
Tubes |
Other shape (e.g. bulb type):
233A
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| Predecessor Tubes |
232B
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| Filament |
Vf 21.5 Volts / If 41 Ampere / Direct |
| Description |
Half-wave power rectifier; gridless 232B, thoriated tungsten filament with reduced current drain. 20KV, 2A. Enlarged glass section.
Machlett and WE.
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| Information source |
Tube Lore (I)
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