• Country
• United States of America (USA)

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

• Year
• 1952 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37754

• • Brand: Pierce Airo

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AV6 or 12AT6 50B5 35W4

• 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
• Alternating Current supply (AC) / 60Hz, 117V=110-120 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: F-523 - DeWald Radio Mfg. Corp.,

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Notes

• The DeWald Model F-523 is an AC operated AM Superheterodyne Receiver with Electric Clock.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 23 (last), covering up to 1954

• Mentioned in
• Beitman Radio Diagrams, Vol. 12, 1952

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 6-52, Set 170, Folder 5)

• Other Models

• Here you find 443 models, 195 with images and 344 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.