Majestic Ch= 220
Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
- 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
- 43616
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 12
- Main principle
- Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935
- Tuned circuits
- 8 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
- Metal case
- from Radiomuseum.org
- Model: Majestic Ch= 220 - Grigsby-Grunow -Hinds Co.
- Shape
- Chassis only or for «building in»
- Notes
- Uses one or more spray shield tubes; push-pull af output stage; two speakers.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- Literature/Schematics (1)
- Beitman Radio Diagrams, Vol. 01, 1926-1938
- 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)