4 (04)
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United American: 4 [Radio] ID = 474977 400x300
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: 1935 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 4: 6D6 6C6 43 25Z5 185R8 |
| Main principle | TRF without regeneration |
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| Tuned circuits | 2 AM circuit(s) |
| Wave bands | Broadcast and Short Wave (SW). |
| Details | |
| Power type and voltage | AC/DC-set / 115 Volt |
| Loudspeaker | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
| Power out | |
| from Radiomuseum.org | Model: 4 - United American Bosch Magneto |
| Material | Wooden case |
| Shape | Tablemodel, with any shape - general. |
| Notes | Ballast tube 185R8. |
| External source of data | Ernst Erb |
| Source of data | The Radio Collector's Directory and Price Guide 1921 - 1965 |
| Circuit diagram reference | Rider's Perpetual, Volume 3 = 1933 and before |
| Literature/Schematics (1) | Riders 3-5 |
| Literature/Schematics (2) | Machine Age to Jet Age II |
| Literature/Schematics (3) | Collector's Guide to Antique Radios (7th Edition) |
All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 412 models, 158 with images and 269 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
