• Country
• United States of America (USA)

• Manufacturer / Brand
• Air King Products Co.; Brooklyn (NY)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 31678

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7GT 12SK7GT 12SQ7GT 50L6GT 35Z5GT

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• AC/DC-set / 105 - 125 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: A-502 Ch= 465-4 - Air King Products Co.;

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

• Dimensions (WHD)
• 250 x 155 x 150 mm / 9.8 x 6.1 x 5.9 inch

• Notes

• Same as model A-501 in walnut.

  Dial lamp: #47 (6.3V/0.15A).

• Net weight (2.2 lb = 1 kg)
• 2.380 kg / 5 lb 3.9 oz (5.242 lb)

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 17 = 1948 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 31, Folder 481-3)

• Other Models

• Here you find 293 models, 145 with images and 240 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Air King Products Co.; Brooklyn (NY)