55B Duette Ch= 155 speedball grille
Majestic Radio & Television Co.,(post 1932)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Majestic Radio & Television Co.,(post 1932)
- Year
- 1937/1938 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 46598
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Number of Transistors
- Semiconductors
- BK55B
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- AC/DC-set / 115 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 55B Duette Ch= 155 [speedball grille] - Majestic Radio & Television Co
- Shape
- Tablemodel without push buttons, Mantel/Midget/Compact up to 14
- Dimensions (WHD)
- 12.5 x 9 x 7.5 inch / 318 x 229 x 191 mm
- Notes
-
Speedball motif in aluminum grille.
If the the first tube was a 25L6 (metal) then model year 1936 is possible, if it is the 25L6G then the earlist year can be 1937 and if the first used tube was 25L6GT, then year 1938 is the earliest possible model year.
- External source of data
- Ernst Erb
- Source of data
- Collector's Guide to Antique Radios 4. Edition
- Circuit diagram reference
- Rider's Perpetual, Volume 10 = 1939 and before
- Mentioned in
- Table Top Radios Vol. 1 Stein 98
- Literature/Schematics (3)
- The Majestic Folder "Smart Set".
- Other Models
-
Here you find 410 models, 172 with images and 349 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Majestic Radio & Television Co.,(post 1932)