A-5 Dwarf
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Select picture or schematic to display from thumbnails on the right and click for download.
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 |
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Power type and voltage |
AC/DC-set / 115 Volt |
Loudspeaker |
Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
Power out |
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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.