• Country
• United States of America (USA)

• Manufacturer / Brand
• Walgreen Co., Aetna Radio Corp.; Chicago (IL)

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 64715

• • Brand: Aetna

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

• Number of Tubes
• 4

• Valves / Tubes
• 6D6 6C6 25L6 25Z5

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

• Tuned circuits
• 2 AM circuit(s)

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

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

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

• from Radiomuseum.org
• Model: 255 - Walgreen Co., Aetna Radio Corp

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Other Models

• Here you find 117 models, 31 with images and 103 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Walgreen Co., Aetna Radio Corp.; Chicago (IL)