Antique radios, Old Time Radios
280M
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Country:
United States of America (USA)
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| Identical to |
280M
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bm)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 2 Ampere / Indirect |
| Description |
Mercury vapor version of 280 (UX280)input rated from 350v to 450v.
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Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
47 g / 1.66 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (II) p. 33
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280M: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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