5 A early
United American: 5 A [Radio] ID = 2129927 1400x787
Select picture or schematic to display from thumbnails on the right and click for download.
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alternative name
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American Bosch Magneto | ||||
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Brand |
Essex | ||||
| Year: 1931 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 5: 551 551 224 247 280 |
| Main principle | TRF without regeneration; Screengrid 1926-1935 |
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| Tuned circuits | 3 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 110 Volt |
| Loudspeaker | Permanent or electro-dynamic (moving coil), system not known yet. |
| Power out | |
| from Radiomuseum.org | Model: 5 A [early] - United American Bosch Magneto |
| Material | Wooden case |
| Shape | Tablemodel without push buttons, Mantel/Midget/Compact up to 14 |
| Dimensions (WHD) | 9 x 14 x 6.5 inch / 229 x 356 x 165 mm |
| Notes | there is also a console model 5C. Under license from American Bosch was built a very similar radio in Italy, the Coribante from Radiomarelli. See the interesting restoring article in English. |
| Source of data | Collector's Guide to Antique Radios (6th edition) |
| Circuit diagram reference | Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931) |
| Mentioned in | Machine Age to Jet Age II |
| Literature/Schematics (1) | Radio Collector`s Guide 1921-1932 |
Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 411 models, 158 with images and 268 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
