• Country
• United States of America (USA)

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

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 42694

• • Brand: Grunow (trade name)

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 41 or 42 80

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Grunow 585 Teledial Ch= 5-W - General Household Utilities Co

• Shape
• Console: Chairside Radio.

• Dimensions (WHD)
• 15.75 x 24.125 x 24.125 inch / 400 x 613 x 613 mm

• Notes

• Automatic tuning "Teledial": Dial pointer is stationary and entire dial rotates, When preset buttons are depressed audio is muted until released at next station. Dial lamp is centered mounted under the dial pointer reflecting outward over the dial face.
  Sliding glass over the radio where drinks may be set while radio in use. See this article containing Teledial models. Also Teledial models of other brands are covered. In particular the nine 1936/37 Grunow models presented in "Radio Retailing", March 1937, are linked.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Rider's Perpetual, Volume 9 = 1938 and before (page 2)

• Literature/Schematics (3)
• The Grunow Folder for 1938.

• 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.