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Grunow 500 Ch= 5-A

Grunow 500 Ch= 5-A; General Household (ID = 681148) Radio
 
Grunow 500 Ch= 5-A; General Household (ID = 681149) Radio
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Grunow 500 Ch= 5-A; General Household (ID = 736880) Radio
General Household: Grunow 500 Ch= 5-A [Radio] ID = 736880 600x624
Select picture or schematic to display from thumbnails on the right and click for download.
For model Grunow 500 Ch= 5-A, General Household Utilities Co. (Grunow); Chicago Ill.:
The General Household Utilities Grunow 500 tombstone. This picture is courtesy of eBay seller ronsradios.
 
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: 6F7 78 75 47 80
Main principle Superheterodyne (common); ZF/IF 455 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC) / 117 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Grunow 500 Ch= 5-A - General Household Utilities Co
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Notes

Wood with chrome grille.

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 4 = ca. 1934 and before
Mentioned in Table Top Radios Vol. 1 Stein 98 (page 89.)
Literature/Schematics (1) Machine Age to Jet Age II (page 39.)
Literature/Schematics (2) Cathedral & Tombstone Radios (page 130.)


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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