• Country
• United States of America (USA)

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

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 97321

• • Brand: Grunow (trade name)

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

• Number of Tubes
• 7

• Valves / Tubes
• 6D6 6A7 6F7 75 76 42 80

• Main principle
• Superhet with RF-stage; ZF/IF 262 kHz; 2 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) / 117 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Grunow 751 Ch= 7-B - General Household Utilities Co

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 24.5 x 39.25 x 13.75 inch / 622 x 997 x 349 mm

• Source of data
• Pre-War Consoles

• Circuit diagram reference
• Rider's Perpetual, Volume 5 = ca. 1934 and before

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 01, 1926-1938

• Literature/Schematics (3)
• The Grunow Folder for 1934.

• Author
• Model page created by Walter Wiesmüller † May 2012. 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.