• Country
• United States of America (USA)

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

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 48447

• • Brand: Airline or Air-Line

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7 12SK7 12SQ7GT 35L6GT 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 105-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 0.8 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Airline 93BR-508A Order= P462 C 508 - Montgomery Ward & Co. Wards,

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 10 x 7 x 6 inch / 254 x 178 x 152 mm

• Notes

• BC (540-1650 kHz) band. Built-in loop antenna.

   

  Colours and material:

  model 508: brown bakelite

  model 509: ivory finish

• Price in first year of sale
• 8.95 $

• External source of data
• Ernst Erb

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

• Mentioned in
• Beitman 3-57, Rider's 11-53, 11-54

• Literature/Schematics (1)
• Table Top Radios Vol. 1 Stein 98 (page 35.)

• Literature/Schematics (4)
• Montgomery Ward Catalogs (Wards, Airline) (Fall/Winter 1939/40, No. 131, page 650.Spring/Summer 1940, No.132, page 531.)

• 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