• Country
• United States of America (USA)

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

• Year
• 1934 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 64727

• • Brand: Aetna

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

• Number of Tubes
• 4

• Valves / Tubes
• 78 77 42 80

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

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast (MW) and Tropical/Marine/Police Band(s) = 150-200m.

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 4 inch = 10.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Aetna 400 Ch= 4J  - Walgreen Co., Aetna Radio Corp

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 10 x 12.5 x 6.5 inch / 254 x 318 x 165 mm

• Notes
• Manufactured for Walgreen by Detrola Radio of Detroit, Michigan, USA.

• Net weight (2.2 lb = 1 kg)
• 4.9 kg / 10 lb 12.7 oz (10.793 lb)

• External source of data
• Ernst Erb

• Source of data
• - - Data from my own collection

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 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)