• 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
• 46587

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

• Number of Tubes
• 8

• Valves / Tubes
• 24 27 24 24 27 45 45 80

• Main principle
• Superheterodyne (common); 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 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Majestic 50 Ch= 50 - Grigsby-Grunow -Hinds Co.

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 470 x 500 x 320 mm / 18.5 x 19.7 x 12.6 inch

• Notes
• 50 is a chassis only! There is a common misunderstanding to apply the type plate content e.g. of model 52 which employs the chassis 50.

• Net weight (2.2 lb = 1 kg)
• 27.5 kg / 60 lb 9.2 oz (60.573 lb)

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 1, 1926-1938

• Mentioned in
• A Flick of the Switch 1930-1950

• 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)