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Grunow 502A Ch= 5-B

Grunow 502A Ch= 5-B; General Household (ID = 683236) Radio
 
Grunow 502A Ch= 5-B; General Household (ID = 683238) Radio
 
Grunow 502A Ch= 5-B; General Household (ID = 683239) Radio
 
Grunow 502A Ch= 5-B; General Household (ID = 683241) Radio
Grunow 502A Ch= 5-B; General Household (ID = 996612) Radio Grunow 502A Ch= 5-B; General Household (ID = 996613) Radio
Grunow 502A Ch= 5-B; General Household (ID = 147876) Radio Grunow 502A Ch= 5-B; General Household (ID = 147877) Radio
Grunow 502A Ch= 5-B; General Household (ID = 720615) Radio
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Grunow 502A Ch= 5-B; General Household (ID = 996612) Radio
General Household: Grunow 502A Ch= 5-B [Radio] ID = 996612 850x645
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For model Grunow 502A Ch= 5-B, General Household Utilities Co. (Grunow); Chicago Ill.:
By courtesy of guest Lew Magrish, USA and Steve Adams from radioattic.com.
 
Country:  United States of America (USA)
Manufacturer / Brand:  General Household Utilities Co. (Grunow); Chicago Ill.
Brand
 
Grunow (trade name)
Year: 1933 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 78 6F7 75 43 25Z5
Main principle Superheterodyne (common); ZF/IF 455 kHz; Anode bend detection
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 110 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm
Power out
from Radiomuseum.org Model: Grunow 502A Ch= 5-B - General Household Utilities Co
Material Wooden case
Shape Tablemodel without bush buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 11.5 x 8 x 6 inch / 292 x 203 x 152 mm
Notes Resistance line cord. Steins dating is in error.
There is also a model 502 using chassis 5-C and different tube complement for battery operation.
Net weight (2.2 lb = 1 kg) 3.6 kg / 7 lb 14.9 oz (7.93 lb)
External source of data Stein's volume 2 page 152
Source of data - - Data from my own collection
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965 ( )
Literature/Schematics (1) Rider's Perpetual, Volume 4 = ca. 1934 and before (see chassis for model 501)

Model page created by Marvin J. Glassman. See "Data change" for further contributors.



All listed radios etc. from General Household Utilities Co. (Grunow); Chicago Ill.
Here you find 138 models, 99 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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