radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Majestic 21 Ch= 20

Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 261486) Radio
 
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 382418) Radio
 
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 382419) Radio
 
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 678005) Radio
 
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 678006) Radio
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 270141) Radio Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 270138) Radio
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 267046) Radio Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 270139) Radio
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 270140) Radio Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 382409) Radio
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 382410) Radio Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 382411) Radio
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 942363) Radio
Use red slider bar for more.
Majestic 21 Ch= 20; Grigsby-Grunow - (ID = 270141) Radio
Grigsby-Grunow -: Majestic 21 Ch= 20 [Radio] ID = 270141 575x609
Select picture or schematic to display from thumbnails on the right and click for download.
For model Majestic 21 Ch= 20, Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL):
Ebay Nr. 320045698111 Bild bearbeitet.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Year: 1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8: 51 27 51 51 27 45 45 80
Main principle Superhet with RF-stage; ZF/IF 175 kHz; 3 AF stage(s); Screengrid 1926-1935
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC) / 117 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Majestic 21 Ch= 20 - Grigsby-Grunow -Hinds Co.
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Dimensions (WHD) 16 x 19 x 11 inch / 406 x 483 x 279 mm
Notes Introduced January 1931. It is a cathedral with slight shoulders, a superhet which uses Majestic tube types; G-51 RF amp, IF amp, and converter; G-27 oscillator and power detector; push-pull G-45's audio output; G-80 rectifier. The Majestic 20 chassis is totally enclosed and very deep: Be careful, some wires have to be removed before the cover can be opened.
Net weight (2.2 lb = 1 kg) 54 lb (54 lb 0 oz) / 24.516 kg
Price in first year of sale 69.50 $
External source of data Ken Kretzer, Sacramento CA
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
Literature/Schematics (1) Beitman Radio Diagrams, Vol. 01, 1926-1938

Model page created by Ernst Erb. See "Data change" for further contributors.



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.




  
rmXorg