Antique radios, Old Time Radios
D1/2
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Country:
United States of America (USA)
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| Identical to |
D1/2
= UX281
= CX381
= 481
= 81
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 7.5 Volts / If 1.2 Ampere / Direct |
| Description |
This tube is the same as a UX281 or 81. Originally designed by the Westinghuse Electric & Mfg Co. Arcturus made the tube for use in Sonora radio power supplies. de Forest was another company to make them.
<700V ac input, 85mA dc out.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia Page 272
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D1/2: rtt
Anonymous 10 Collector
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Just Qvigstad
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