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501 Vibro-Power

501 Vibro-Power ; United American (ID = 776464) Radio
 
501 Vibro-Power ; United American (ID = 776465) Radio
 
501 Vibro-Power ; United American (ID = 776466) Radio
501 Vibro-Power ; United American (ID = 810974) Radio 501 Vibro-Power ; United American (ID = 810977) Radio
501 Vibro-Power ; United American (ID = 810980) Radio 501 Vibro-Power ; United American (ID = 810976) Radio
501 Vibro-Power ; United American (ID = 716439) Radio 501 Vibro-Power ; United American (ID = 810978) Radio
501 Vibro-Power ; United American (ID = 1958498) Radio 501 Vibro-Power ; United American (ID = 1958499) Radio
501 Vibro-Power ; United American (ID = 2525976) Radio 501 Vibro-Power ; United American (ID = 2525977) Radio
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501 Vibro-Power ; United American (ID = 810974) Radio
United American: 501 Vibro-Power [Radio] ID = 810974 901x700
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For model 501 Vibro-Power, 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: 1933 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 only (MW).
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: 501 Vibro-Power - United American Bosch Magneto
Material Wooden case
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 10 x 7 x 5 inch / 254 x 178 x 127 mm
Notes

Portable "Personal Radio". Receives police calls. AVC. Built-in antenna.

Wood cabinet with hand-rubbed piano-case finish and real marquetry inlay.

Factory price: $31.50. Zipper carrying case No. 500 for $3.00 ($4.00 retail).

Net weight (2.2 lb = 1 kg) 8 lb (8 lb 0 oz) / 3.632 kg
Price in first year of sale 52.00 $
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 7 = 1936 and before
Mentioned in Collector's Guide to Antique Radios 4. Edition
Literature/Schematics (1) Rider's Perpetual, Volume 5 = ca. 1934 and before (Riders 5-39, 40 ; 7-2)
Literature/Schematics (2) Machine Age to Jet Age II
Literature/Schematics (3) -- Original prospect or advert


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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