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Grunow 640 Ch= 6-J

Grunow 640 Ch= 6-J; General Household (ID = 681620) Radio
 
Grunow 640 Ch= 6-J; General Household (ID = 681621) Radio
 
Grunow 640 Ch= 6-J; General Household (ID = 681622) Radio
 
Grunow 640 Ch= 6-J; General Household (ID = 681623) Radio
Grunow 640 Ch= 6-J; General Household (ID = 602055) Radio Grunow 640 Ch= 6-J; General Household (ID = 602056) Radio
Grunow 640 Ch= 6-J; General Household (ID = 602057) Radio Grunow 640 Ch= 6-J; General Household (ID = 602064) Radio
Grunow 640 Ch= 6-J; General Household (ID = 997379) Radio Grunow 640 Ch= 6-J; General Household (ID = 997380) Radio
Grunow 640 Ch= 6-J; General Household (ID = 997381) Radio Grunow 640 Ch= 6-J; General Household (ID = 1420171) Radio
Grunow 640 Ch= 6-J; General Household (ID = 1587242) Radio Grunow 640 Ch= 6-J; General Household (ID = 1655157) Radio
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Grunow 640 Ch= 6-J; General Household (ID = 602055) Radio
General Household: Grunow 640 Ch= 6-J [Radio] ID = 602055 566x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Grunow 640 Ch= 6-J, General Household Utilities Co. (Grunow); Chicago Ill.:
The Grunow 640 front view courtesy of eBay seller davidandrews-tubes.
 
Country:  United States of America (USA)
Manufacturer / Brand:  General Household Utilities Co. (Grunow); Chicago Ill.
Brand
 
Grunow (trade name)
Year: 1935/1936 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 6A7 6D6 6D6 75 42 80
Main principle Superheterodyne (common); ZF/IF 465 or 490 kHz
Wave bands Broadcast, Short Wave(s) and Police.
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 640 Ch= 6-J - General Household Utilities Co
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Dimensions (WHD) 13 x 18 x 9.5 inch / 330 x 457 x 241 mm
Price in first year of sale 49.95 $
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 6 = 1935 and before
Literature/Schematics (1) Rider's Perpetual, Volume 7 = 1936 and before
Literature/Schematics (2) Table Top Radios Vol. 1 Stein 98 (page 90.)
Literature/Schematics (3) Cathedral & Tombstone Radios (page 131.)
Literature/Schematics (4) The Grunow Folder for 1936.


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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