• 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
• 48463

• • Brand: Airline or Air-Line

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

• Number of Tubes
• 4

• Valves / Tubes
• 12SA7 12SK7 12SQ7 70L7GT

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 115 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Airline 93BR-424B Order= 462 A 424 - Montgomery Ward & Co. Wards,

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

• Dimensions (WHD)
• 7 x 4.875 x 4 inch / 178 x 124 x 102 mm

• Notes

•  

  Colours and material:

  model 420: brown bakelite

  painted bakelite:

  model 421: ivory

  model 423: red

  model 424: blue

  model 431: green

• Price in first year of sale
• 6.95 $

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition (Collector's Guide to AR7.Ed. Slusser tube)

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

• Literature/Schematics (4)
• Montgomery Ward Catalogs (Wards, Airline) (Spring/Summer 1940, No.132, page 531.)

• Other Models

• Here you find 2289 models, 1458 with images and 1786 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