77A
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Select picture or schematic to display from thumbnails on the right and click for download.
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Brand
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Coronado | ||||
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| Year: 1936 ?? | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 7: 1C6 34 34 30 32 30 19 |
| Main principle | Superheterodyne (common); ZF/IF 456 kHz |
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| Wave bands | Broadcast and Short Wave (SW). |
| Details | |
| Power type and voltage | Storage and/or dry batteries / 135 & 90 & 4.5 & 2 Volt |
| Loudspeaker | Magnetic loudspeaker (reed) generic. |
| Power out | |
| from Radiomuseum.org | Model: 77A - Gamble-Skogmo, Inc.; |
| External source of data | Ernst Erb |
| Circuit diagram reference | Rider's Perpetual, Volume 7 = 1936 and before |
All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN
Here you find 658 models, 290 with images and 600 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
