• Country
• United States of America (USA)

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

• Year
• 1941 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 158788

• • Brand: Pierce Airo

• Number of Tubes
• 4

• Valves / Tubes
• 12K7 12F5 50L6 45Z5

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• AC/DC-set / 230 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Unknown Export - DeWald Radio Mfg. Corp.,

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

• Dimensions (WHD)
• 8 x 5.25 x 5 inch / 203 x 133 x 127 mm

• Notes
• Tunning scale marked with GB station names. Resistive mains cord reduces 230v supply to 120v. Circuit same as models 414 & 418.

• Author
• Model page created by Keith Staines. 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.