• Country
• United States of America (USA)

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

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 60476

• • Brand: Ferrodyne

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

• Number of Tubes
• 6

• Valves / Tubes
• 57 56 58 Wunderlich 47 80

• Main principle
• Superheterodyne (common); ZF/IF 177,5 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: R-104-A ch= R-104 - Stewart Warner Corp.; Chicago

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes
• Chassis R104 is employed in several models; see the Wunderlich tube.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Other Models

• Here you find 2122 models, 397 with images and 1979 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)