• Country
• United States of America (USA)

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

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 139146

• • Brand: Ferrodyne

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

• Number of Tubes
• 11

• Valves / Tubes
• 6K7 6L7G 6J5G 6K7 6U5 6R7G 6K7 6V6G 6V6G 5W4G 5W4G

• 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) / 117 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: 91-111 series chassis - Stewart Warner Corp.; Chicago

• Shape
• Chassis only or for «building in»

• Notes
• Chassis 91-111 is employed in several models; mains supply 117 V (60 cycles); automatic push button tuner with remote control; tuning eye; push-pull af output stage.

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 02, 1939

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 2111 models, 392 with images and 1968 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)