31 AC
Use red slider bar for more.
Select picture or schematic to display from thumbnails on the right and click for download.
|
|
||||
|
alternative name
|
American Bosch Magneto | ||||
|---|---|---|---|---|---|
Brand |
Essex | ||||
| Year: 1931 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 6: 51 27 51 24 47 80 |
| Main principle | Superheterodyne (common); ZF/IF 175 kHz |
|---|---|
| Tuned circuits | 5 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 105-120 Volt |
| Loudspeaker | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
| Power out | |
| from Radiomuseum.org | Model: 31 AC - United American Bosch Magneto |
| Material | Wooden case |
| Shape | Console with any shape - in general |
| Notes | 50-60 cycle. |
| 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 2 = 1932 (Models 1931/1932) |
| Literature/Schematics (1) | Riders 2-2, 3 |
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.
