• Country
• United States of America (USA)

• Manufacturer / Brand
• Montgomery Ward & Co. (Wards, Airline); Chicago, IL

• Year
• 1952 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 47726

• • Brand: Airline or Air-Line

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / (4.5; 90); AC/DC 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Power out
• 0.18 W (unknown quality)

• from Radiomuseum.org
• Model: Airline 25GSL-1072A - Montgomery Ward & Co. Wards,

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• Selenium Rectifier

• External source of data
• Ernst Erb

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 14, 1954

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 6-59, Set 445, Servicer)

• Other Models

• Here you find 2281 models, 1450 with images and 1779 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Montgomery Ward & Co. (Wards, Airline); Chicago, IL