• Country
• United States of America (USA)

• Manufacturer / Brand
• Stewart Warner Corp.; Chicago (IL)

• Year
• 1948 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 61646

• • Brand: Ferrodyne

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1S5 3Q4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 1.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• from Radiomuseum.org
• Model: A41T1 9032A - Stewart Warner Corp.; Chicago

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

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 17 = 1948 and before

• Mentioned in
• Rider's Perpetual, Volume 20 = covering 1950

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 08, 1948

• Other Models

• Here you find 2122 models, 398 with images and 1980 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)