20
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Select picture or schematic to display from thumbnails on the right and click for download.
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Year:
1936 ?
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Category: Broadcast Receiver - or past WW2 Tuner |
| Valves / Tubes |
6:
6A7 6D6 76 6F5 41 80
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| Main principle |
Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)
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| Tuned circuits |
6 AM circuit(s) |
| Wave bands |
Broadcast, Short Wave(s) and Police. |
| Details |
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| Power type and voltage |
Alternating Current supply (AC) / 115 Volt |
| Loudspeaker |
Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
| Power out |
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| from Radiomuseum.org |
Model: 20 - Halson Radio Mfg. Co.; New |
| Material |
Wooden case |
| Shape |
Console with any shape - in general |
| Notes |
BC (540-1725 kHz), TROP (2.3-7.9 MHz) and SW (7.4-25.0 MHz) bands. Schematic drawn September 22, 1937. |
| 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 9 = 1938 and before |
All listed radios etc. from Halson Radio Mfg. Co.; New York City (NY)
Here you find 105 models, 35 with images and 64 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
