• Country
• United States of America (USA)

• Manufacturer / Brand
• O'Connor & Co.; Cleveland, Ohio

• Year
• 1925

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 211253

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

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• RF Converter/Adapter (not voltage converter); ZF/IF 500 kHz

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Frequency Changer - O'Connor & Co.; Cleveland,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 14 x 7 x 8 inch / 356 x 178 x 203 mm

• Notes
• The O'Connor frequency changer converts any present receiver into a super-heterodyne.

• Mentioned in
• Radio Broadcast, June 1925, Page 254

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

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from O'Connor & Co.; Cleveland, Ohio