• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1968

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 191584

• • alternative name: Chicago Radio Lab

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Ch= 1Y21B55 - Zenith Radio Corp.; Chicago,

• Shape
• Chassis only or for «building in»

• Notes
• Zenith 1Y21B55 Transistor TV Chassis;

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 4496 models, 4101 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL