• Country
• United States of America (USA)

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37623

• • Brand: Pierce Airo

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 76 43 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 1 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 110-120 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 619 - DeWald Radio Mfg. Corp.,

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

• Price in first year of sale
• 27.50 USD

• External source of data
• Ernst Erb

• Source of data
• Table Top Radios Vol. 1 Stein 98

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• Mentioned in
• Machine Age to Jet Age II

• Literature/Schematics (1)
• Short Wave Craft December 1936 page 495.

• 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.