• Country
• United States of America (USA)

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 60826

• • Brand: Ferrodyne

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

• Number of Tubes
• 10

• Valves / Tubes
• 6K7 6A8 6K7 6H6 6G5 6C5 6C5 6L6 6L6 5V4G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 1485 Ch= R-148 - Stewart Warner Corp.; Chicago

• Shape
• Console with any shape - in general

• Notes

• Model 1485 uses chassis R148; mains supply 115 V (60 cycles) or 100-240 V (25-133 cycles, phono model / export model); push-pull af output stage; tuning eye.

  MODEL 1485 - 10 Tubes. Full 12-inch Photo-Tone Speaker, All Wave Duo Circuit Ferrodyne Chassis with 14 Tuned Circuits and 2 Electron Power Beam Amplifiers. 7-inch Magic Dial with Three-Band Tuning, Shadow Beam Tuner, Automatic Band Indicator, Two-Speed Precision Station Selector, Delayed Automatic Volume Control, Variable Tone Control, Automatic Bass Compensation, Automatic Antenna System, etc. 

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Mentioned in
• Pre-War Consoles

• Literature/Schematics (1)
• Pre-War Consoles (Rider's Perpetual, Volume 10)

• 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)