• Country
• United States of America (USA)

• Manufacturer / Brand
• DeWald Radio Mfg. Corp., Pierce Airo Inc.

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37749

• • Brand: Pierce Airo

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

• Number of Tubes
• 6

• Valves / Tubes
• 12BA6 12BE6 12BA6 12AT6 50B5 35W4

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• 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 or Plastics (type unknown)

• from Radiomuseum.org
• Model: D-616 - DeWald Radio Mfg. Corp.,

• Shape
• Tablemodel, with any shape - general.

• Notes
• The DeWald Model D-616 is an AC/DC operated AM Superheterodyne Receiver with Loop Antenna.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 21, Copyright 1950

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965 (Beitman Radio Diagrams 1950)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 7-50, Set 102, Folder 5)

• Other Models

• Here you find 442 models, 195 with images and 343 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.