• Country
• United States of America (USA)

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

• Year
• 1935 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 61697

• • Brand: Ferrodyne

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

• Number of Tubes
• 7

• Valves / Tubes
• 6K7 6A8 6K7 6H6 6J7 6F6 5Z4

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

• Material
• Metal case

• from Radiomuseum.org
• Model: R-136 series chassis - Stewart Warner Corp.; Chicago

• Shape
• Chassis only or for «building in»

• Notes

• Chassis R136 is employed in several models;
  R136A = 115 V (60 cycles)
  R136P,
  R136X = 100-240 V (25-133 cycles, phono model / export model).

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 6 = 1935 and before

• Literature/Schematics (1)
• Rider's Perpetual, Volume 7 = 1936 and before (Beitman Radio Diagrams 1926-1938)

• 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)