- Country
- United States of America (USA)
- Manufacturer / Brand
- Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
- Year
- 1933
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 43648
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 456 kHz
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- AC/DC-set / 115 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: Majestic 400 - Grigsby-Grunow -Hinds Co.
- Notes
- Ballast tube "46A1".
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- Mentioned in
- Rider's Change 7-1, 7-15
- Literature/Schematics (1)
- Beitman Radio Diagrams, Vol. 01, 1926-1938
- Other Models
-
Here you find 201 models, 122 with images and 156 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)