• Country
• United States of America (USA)

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

• Year
• 1980 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 220188

• • alternative name: Chicago Radio Lab

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Batteries / addl. power jack / 9 / 12; 24 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: 852-257 System Analyzer - Zenith Radio Corp.; Chicago,

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• Zenith System Analyzer 852-257;
  For use with Zenith modular television receivers with 3 different Zenith TV Chassis: the X1, X2, & Z powered by 12 & 24 VDC power drawn from the TV under test & also uses a 9V battery for some tests.

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

• Other Models

• Here you find 4517 models, 4109 with images and 3652 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL