• 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
• 60993

• • Brand: Ferrodyne

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

• Number of Tubes
• 8

• Valves / Tubes
• 6K7 6L7 6C5 6K7 6H6 6F5 6L6 5Y3G

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

• Tuned circuits
• 7 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)

• from Radiomuseum.org
• Model: 1838 Ch= R-183 - Stewart Warner Corp.; Chicago

• Notes
• Model 1838 uses chassis R183; mains supply 115 V (60 cycles) or 115 V (25 cycles).

• External source of data
• Ernst Erb

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

• 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)