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402 ED 3

402 ED 3; United American (ID = 774919) Radio
 
402 ED 3; United American (ID = 774920) Radio
 
402 ED 3; United American (ID = 774921) Radio
402 ED 3; United American (ID = 812963) Radio 402 ED 3; United American (ID = 812967) Radio
402 ED 3; United American (ID = 812966) Radio 402 ED 3; United American (ID = 716429) Radio
402 ED 3; United American (ID = 812968) Radio 402 ED 3; United American (ID = 812969) Radio
402 ED 3; United American (ID = 812970) Radio 402 ED 3; United American (ID = 812971) Radio
402 ED 3; United American (ID = 812972) Radio 402 ED 3; United American (ID = 812973) Radio
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402 ED 3; United American (ID = 812963) Radio
United American: 402 ED 3 [Radio] ID = 812963 900x654
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For model 402 ED 3, United American Bosch (Magneto Corporation); Springfield (MA)
 
Country:  United States of America (USA)
Manufacturer / Brand:  United American Bosch (Magneto Corporation); Springfield (MA)
alternative name
 
American Bosch Magneto
Brand
Essex
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6F7 78 75 43 25Z5
Main principle Superheterodyne (common); ZF/IF 456 kHz
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast (MW) and Tropical/Marine/Police Band(s) = 150-200m.
Details
Power type and voltage AC/DC-set / 105-125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 402 ED 3 - United American Bosch Magneto
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 267 x 190 x 135 mm / 10.5 x 7.5 x 5.3 inch
Notes A peculiarity of this radio is the ability to receive the old Police broadcast frequencies. In the rear panel there is a lever switch that lets you choose between the standard broadcast band and Police band.

First edition has the medium waves only, the peculiarity edition 2 and 3 have, is the ability to receive the old Police broadcast frequencies.

Una particolarità di questa radio è la possibilità di ricevere le frequenze sulle quali comunicava la Polizia all' epoca, infatti sul retro dell'apparecchio c'è un commutatore a leva che permette di scegliere tra le onde medie e la banda della Polizia (onde corte).
La prima edizione del 402 ha solo le onde medie, la particolarità delle edizioni 2 e 3 è la possibilità di ricevere le frequenze sulle quali comunicava la Polizia all’ epoca, infatti sul retro dell’apparecchio c’è un commutatore a leva che permette di scegliere tra le onde medie e la banda della Polizia (onde corte).
Net weight (2.2 lb = 1 kg) 3.5 kg / 7 lb 11.3 oz (7.709 lb)
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 5 = ca. 1934 and before
Mentioned in Collector's Guide to Antique Radios 4. Edition
Literature/Schematics (1) Riders 5-34 ; 6-9, 10
Literature/Schematics (2) Machine Age to Jet Age II


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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