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Grunow 700 Ch= 7-A

Grunow 700 Ch= 7-A; General Household (ID = 681206) Radio
 
Grunow 700 Ch= 7-A; General Household (ID = 681207) Radio
 
Grunow 700 Ch= 7-A; General Household (ID = 681208) Radio
 
Grunow 700 Ch= 7-A; General Household (ID = 681209) Radio
 
Grunow 700 Ch= 7-A; General Household (ID = 681210) Radio
 
Grunow 700 Ch= 7-A; General Household (ID = 681211) Radio
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Grunow 700 Ch= 7-A; General Household (ID = 404584) Radio
General Household: Grunow 700 Ch= 7-A [Radio] ID = 404584 536x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Grunow 700 Ch= 7-A, General Household Utilities Co. (Grunow); Chicago Ill.:
Picture courtesy of Jim Moneghan of Lincoln Electronics
 
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 7: 78 37 78 78 75 42 80
Main principle Superhet with RF-stage; ZF/IF 262 kHz
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
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 700 Ch= 7-A - 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
Notes

Wood with chrome grille.

Stein "Cathedral & Tombstone Radios" lists 2 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 4 = ca. 1934 and before
Mentioned in Machine Age to Jet Age II (page 154.)
Literature/Schematics (1) Cathedral & Tombstone Radios (page 132.)


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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