A-5 Dwarf
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| Year: 1938 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 4: 6K7GT 6J7GT 25L6GT 25Z6GT L49B |
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| Main principle | TRF without regeneration; 1 AF stage(s) |
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| Tuned circuits | 2 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| 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: A-5 Dwarf - Halson Radio Mfg. Co.; New |
| Material | Catalin (a brand name for a thermosetting polymer popular in the 1930s and 1940s - a phenol formaldehyde resin - like Bakelite, but a two-stage process with a lot of work afterwards). |
| Shape | Tablemodel without push buttons, Mantel/Midget/Compact up to 14 |
| Notes | BC (545-1720 kHz) band. Colors: red, green or ivory. |
| 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 |
| Mentioned in | Collector's Guide to Antique Radios (7th Edition) |
| Literature/Schematics (1) | Table Top Radios Vol. 4 Stein 2003 |
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.
