• Country
• United States of America (USA)

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

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 60684

• • Brand: Ferrodyne

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 41 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• 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: 1274 Ch= R-127 - Stewart Warner Corp.; Chicago

• Shape
• Console with any shape - in general

• Notes
• Model 1274 uses chassis R-127 in two versions: for mains supply 115 V (60 cycles) R-127A; or 100-240 V (25-133 cycles, phono model / export model) R-127X.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Rider's Perpetual, Volume 5 = ca. 1934 and before (Stewart Warner 5-14)

• Literature/Schematics (2)
• Rider's Perpetual, Volume 6 = 1935 and before (Stewart Warner 6-10)

• Other Models

• Here you find 2115 models, 396 with images and 1972 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)