• Country
• United States of America (USA)

• Manufacturer / Brand
• Aero Products Inc.; Chicago, Illinois (Hoodwin)

• Year
• 1927 ?

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 240626

• Number of Tubes
• 4

• Valves / Tubes
• UX201A UX201A UX222 UX112A

• Main principle
• RF Converter/Adapter (not voltage converter); Reaction

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Short Wave (SW only)

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Shortwave Receiver Converter - Aero Products Inc.; Chicago,

• Shape
• Chassis only or for «building in»

• Notes

• According to Tyne, page 318, the tube UX222 arrived October 1927.

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 21 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Aero Products Inc.; Chicago, Illinois (Hoodwin)