• Country
• United States of America (USA)

• Manufacturer / Brand
• General Household Utilities Co. (Grunow); Chicago Ill.

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 110592

• • Brand: Grunow (trade name)

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• 6A8 6K7 6Q7 6F6 5W4

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 1 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Grunow 572 Ch= 5-L - General Household Utilities Co

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 11 x 18 x 12 inch / 279 x 457 x 305 mm

• Notes
• Unusual cabinet with curve on left side of front of set, curve on right side of top of set. Geared tuning capacitor with two speeds, fast tuning with knob pushed in, fine tuning with knob pulled out.

• Source of data
• - - Data from my own collection

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Mentioned in
• Rider's 8-5 for Grunow listings

• Literature/Schematics (1)
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Author
• Model page created by Daniel Schwartzman. See "Data change" for further contributors.

• Other Models

• Here you find 138 models, 100 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Household Utilities Co. (Grunow); Chicago Ill.