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4 (04)

4 ; United American (ID = 772066) Radio
4 ; United American (ID = 474977) Radio 4 ; United American (ID = 474978) Radio
4 ; United American (ID = 474979) Radio 4 ; United American (ID = 716422) Radio
4 ; United American (ID = 1878517) Radio
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4 ; United American (ID = 474977) Radio
United American: 4 [Radio] ID = 474977 400x300
Select picture or schematic to display from thumbnails on the right and click for download.
For model 4 (04), United American Bosch (Magneto Corporation); Springfield (MA):
ebay # 330250354970
 
Country:  United States of America (USA)
Manufacturer / Brand:  United American Bosch (Magneto Corporation); Springfield (MA)
alternative name
 
American Bosch Magneto
Brand
Essex
Year: 1935 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 6D6 6C6 43 25Z5 185R8
Main principle TRF without regeneration
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
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: 4 - United American Bosch Magneto
Material Wooden case
Shape Tablemodel, with any shape - general.
Notes Ballast tube 185R8.
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 3 = 1933 and before
Literature/Schematics (1) Riders 3-5
Literature/Schematics (2) Machine Age to Jet Age II
Literature/Schematics (3) Collector's Guide to Antique Radios (7th Edition)


All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 412 models, 158 with images and 269 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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