• Country
• United States of America (USA)

• Manufacturer / Brand
• Supersonic (Spiegel, Inc); Chicago, IL

• Year
• 1975 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 298675

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

• Material
• Wooden case

• from Radiomuseum.org
• Model: NR-20F4 - Supersonic Spiegel, Inc;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• Made in Korea

• Author
• Model page created by George Papaiz. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 9 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Supersonic (Spiegel, Inc); Chicago, IL