303
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Detrola; Detroit MI: 303 [Radio] ID = 1668408 933x663
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1940 ?? | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 4: 1A7 1N5 1H5 1T5 |
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| Main principle | Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s) |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Dry Batteries / 1,5 & 90 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) |
| Power out | |
| from Radiomuseum.org | Model: 303 - Detrola; Detroit MI |
| Notes | Built-in loop antenna used as first RF circuit. |
| External source of data | Ernst Erb |
| Circuit diagram reference | Rider's Perpetual, Volume 11 = ca. 1940 and before |
All listed radios etc. from Detrola; Detroit (MI)
Here you find 325 models, 186 with images and 282 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
