Majestic 491 Fireside Ch= 490
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
- 1933
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 43659
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superhet with RF-stage; ZF/IF 175 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Direct Current supply (DC) / 32 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Majestic 491 Fireside Ch= 490 - Grigsby-Grunow -Hinds Co.
- Shape
- Console with any shape - in general
- Dimensions (WHD)
- 15.25 x 16.5 x 9.375 inch / 387 x 419 x 238 mm
- Notes
-
Farm radio; vibrator for +B.
R17 is a special Globar resistor connected across the plates of the rectifier tube in place of a spark gap and resistor. This resistor has a value of 500,000 ohms at 750 volts D.C., and a value of 1500 ohms at 2000 volts D.C. (See Majestic model 116A-Type 4 in Rider's volume 3, page Majestic 3-44)
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 4 = ca. 1934 and before
- Literature/Schematics (3)
- The Majestic Folder "Smart Set".
- 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)