• 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
• 168865

• • Brand: Grunow (trade name)

• Number of Tubes
• 5

• Valves / Tubes
• 6D8G 6S7G 6T7G 41 84

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 115 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Grunow 508 - General Household Utilities Co

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 14.5 x 13.875 x 10.375 inch / 368 x 352 x 264 mm

• Notes

• Vibrator for 115VAC or 6VDC operation.

• Source of data
• Machine Age to Jet Age II

• Literature/Schematics (1)
• Cathedral & Tombstone Radios (page 130.)

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

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. 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.