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Majestic 491 Fireside Ch= 490

Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669932) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669933) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669934) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669935) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669936) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669937) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669938) Radio
 
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 669939) Radio
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 2093642) Radio Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 2093641) Radio
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 2093643) Radio Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 2093644) Radio
Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 2093645) Radio Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 1659522) Radio
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Majestic 491 Fireside Ch= 490; Grigsby-Grunow - (ID = 2093642) Radio
Grigsby-Grunow -: Majestic 491 Fireside Ch= 490 [Radio] ID = 2093642 1176x1397
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For model Majestic 491 Fireside Ch= 490, Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL):
My picture, but radio belongs to friends.
 
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
Valves / Tubes 6: 6E7 6A7S 6E7 85S 42 6Y5
Main principle Superhet with RF-stage; ZF/IF 175 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Direct Current supply (DC) / 32 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Majestic 491 Fireside Ch= 490 - Grigsby-Grunow -Hinds Co.
Material Wooden case
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".


All listed radios etc. from Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Here you find 200 models, 118 with images and 156 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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