radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

31 AC

31 AC ; United American (ID = 772628) Radio
 
31 AC ; United American (ID = 772629) Radio
Use red slider bar for more.
31 AC ; United American (ID = 772628) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  United American Bosch (Magneto Corporation); Springfield (MA)
alternative name
 
American Bosch Magneto
Brand
Essex
Year: 1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 51 27 51 24 47 80
Main principle Superheterodyne (common); ZF/IF 175 kHz
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC) / 105-120 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 31 AC - United American Bosch Magneto
Material Wooden case
Shape Console with any shape - in general
Notes 50-60 cycle.
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 2 = 1932 (Models 1931/1932)
Literature/Schematics (1) Riders 2-2, 3


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.



  
rmXorg