639B
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Year:
1939
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Category: Broadcast Receiver - or past WW2 Tuner |
Valves / Tubes |
6:
6A7 6J5 6D6 75 41 80
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Main principle |
Superheterodyne (common); ZF/IF 455 kHz
|
Wave bands |
Broadcast, Short Wave(s) and Police. |
Details |
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Power type and voltage |
Alternating Current supply (AC) / 110 Volt |
Loudspeaker |
Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
Power out |
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from Radiomuseum.org |
Model: 639B - Majestic Radio & Television Co |
Material |
Wooden case |
Shape |
Console with Push Buttons. |
Notes |
For 50 and 60 cycles mains operation. |
External source of data |
Ernst Erb |
Source of data |
The Complete Price Guide to Antique Radios: Pre-War Consoles |
Circuit diagram reference |
Rider's Perpetual, Volume 9 = 1938 and before |
Literature/Schematics (1) |
Riders 9-4 |
All listed radios etc. from Majestic Radio & Television Co.,(post 1932)
Here you find 333 models, 163 with images and 273 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.