• Country
• United States of America (USA)

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

• Year
• 1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 122792

• • Brand: Ferrodyne

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

• Number of Tubes
• 3

• Valves / Tubes
• 12SA7 25D8GT 70L7GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 117 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 7.5 cm = 3 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Air Pal A6S Ch= 07-32 - Stewart Warner Corp.; Chicago

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

• Dimensions (WHD)
• 230 x 115 x 70 mm / 9.1 x 4.5 x 2.8 inch

• Notes
• There is also a Air Pal A6 Ch.07-31 from 1939.

• External source of data
• António Manuel Rodrigues dos Santos

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 3, 1940

• Mentioned in
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Author
• Model page created by Mario Coelho. See "Data change" for further contributors.

• Other Models

• Here you find 2120 models, 397 with images and 1977 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)