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Grunow 670 Ch= 6-D

Grunow 670 Ch= 6-D; General Household (ID = 681673) Radio
 
Grunow 670 Ch= 6-D; General Household (ID = 681674) Radio
 
Grunow 670 Ch= 6-D; General Household (ID = 681675) Radio
Grunow 670 Ch= 6-D; General Household (ID = 1483014) Radio Grunow 670 Ch= 6-D; General Household (ID = 720882) Radio
Grunow 670 Ch= 6-D; General Household (ID = 1483015) Radio Grunow 670 Ch= 6-D; General Household (ID = 1483016) Radio
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Grunow 670 Ch= 6-D; General Household (ID = 1483014) Radio
General Household: Grunow 670 Ch= 6-D [Radio] ID = 1483014 700x933
Select picture or schematic to display from thumbnails on the right and click for download.
For model Grunow 670 Ch= 6-D, General Household Utilities Co. (Grunow); Chicago Ill.:
..ebay.com/itm/Vintage-Wm-C-Grunow-Radio-1931-1933-/321157408215
 
Country:  United States of America (USA)
Manufacturer / Brand:  General Household Utilities Co. (Grunow); Chicago Ill.
Brand
 
Grunow (trade name)
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 6D6 6A7 6D6 75 42 80
Main principle Superhet with RF-stage; ZF/IF 455 kHz
Wave bands Broadcast plus more than 2 Short Wave bands.
Details
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Radiomuseum.org Model: Grunow 670 Ch= 6-D - General Household Utilities Co
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Notes

Allwave 550 to 21800 kc in 4 bands.

Stein "Cathedral & Tombstone Radios" lists 3 bands for this model.

 

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 Machine Age to Jet Age II
Literature/Schematics (1) Rider's Perpetual, Volume 6 = 1935 and before
Literature/Schematics (2) Cathedral & Tombstone Radios (page 131.)


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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