• Country
• United States of America (USA)

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

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43592

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

• Number of Tubes
• 6

• Valves / Tubes
• 32 32 30 32 32 33

• 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
• Dry Batteries / ? & 135 & -22,5 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Majestic 121 - Grigsby-Grunow -Hinds Co.

• Shape
• Console with any shape - in general

• Price in first year of sale
• 99.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• 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)