• Country
• United States of America (USA)

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

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 61044

• • Brand: Ferrodyne

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

• Number of Tubes
• 14

• Valves / Tubes
• 6K7 6L7 6C5 6K7 6K7 6H6 6H6 6J7 6C5 6C5 6V6 6V6 5W4 5W4

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Tuned circuits
• 9 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 1865 Ch= R-186 - Stewart Warner Corp.; Chicago

• Shape
• Console with Push Buttons.

• Notes

• Model 1865 uses chassis R186; mains supply 115 V (60 cycles), 115 V (25 cycles) or 100-240 V (50-133 cycles, phono model / export model); the "Magic Keyboard" tuner is used in this model; push-pull af output stage.

• External source of data
• Ernst Erb

• Source of data
• Pre-War Consoles

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Mentioned in
• Radio Retailing (Radio & Television R.) (August 1937.)

• Literature/Schematics (3)
• -- Original prospect or advert (The Stewart-Warner Folder for 1938.)

• Other Models

• Here you find 2111 models, 391 with images and 1967 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)