• Country
• United States of America (USA)

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

• Year
• 1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 171940

• • Brand: Pierce Airo

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

• Number of Transistors
• 6

• Semiconductors
• 2N137 2N135 2N135 2N192 2N188 2N188

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: All-Transistor L-703 - DeWald Radio Mfg. Corp.,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes
• The DeWald Model L-703 is a Battery operated Portable Transistorized AM Receiver.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 11-58, Set 422, Folder 8)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 442 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.