• Country
• United States of America (USA)

• Manufacturer / Brand
• Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18760

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

• Number of Tubes
• 9

• Valves / Tubes
• 51 51 27 51 27 27 47 47 80

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115; 230 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Majestic Cheltenwood 251 Ch= 25, 25-B - Grigsby-Grunow -Hinds Co.

• Shape
• Console, Highboy (legs > 50 %).

• Notes

• 4 legged highboy with stretcher base.
  Introduced Sept. 1931. Used 25-B chassis after December. Uses one or more spray shield tubes; push-pull af output stage.

• Price in first year of sale
• 79.50 $

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Pre-War Consoles

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Literature/Schematics (1)
• Rider's Perpetual, Volume 2 = 1932 and before

• Literature/Schematics (3)
• The Grigsby-Grunow Co. Folder for 1931 for Majestic Radios.

• Other Models

• Here you find 201 models, 122 with images and 157 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)