• Country
• United States of America (USA)

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

• Year
• 1956 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 137483

• • Brand: Pierce Airo

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

• Number of Transistors
• 6

• Semiconductors

• 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 / 9 Volt

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

• from Radiomuseum.org
• Model: K-701-A - DeWald Radio Mfg. Corp.,

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Transistoren: 830 2N145 2N147 310 353 353

  Dewald's first transistor radio.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 9-56, Set 329, Folder 5)

• 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.