• Country
• United States of America (USA)

• Manufacturer / Brand
• Majestic Radio & Television Co.,(post 1932)

• Year
• 1937 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 46599

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• 6A7 6C6 25L6G 25Z5

• 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) / Ø 5.5 inch = 14 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 55P Duette Ch= 155 [lyre grille] - Majestic Radio & Television Co

• Notes

• Wood with 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

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Mentioned in
• Table Top Radios Vol. 1 Stein 98

• Other Models

• Here you find 418 models, 174 with images and 358 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Majestic Radio & Television Co.,(post 1932)