• Country
• United States of America (USA)

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

• Year
• 1948/1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 235657

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1S5 3V4

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 110-120 / D: 1 x 1.5 & 67.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: 4G800ZY, 4G800YZ Zenette Ch= 4E41Z - Zenith Radio Corp.; Chicago,

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

• Notes

• Three Power Operated Portable Superheterodyne Receiver with Loop Antenna                  AM: 535-1620kc.

  Employs a 3V4 output tube, while the 4G800 used a 3Q4, which is not pin compatible.

  The 67.5V battery is an Eveready 467.

  Color : black.

  Note: SAMS Photofact lists the models as "4G800Z, 4G800WZ, 4G800YZ" but may have transposed the color codes "W" (ivory) or "Y" (black) and the "Z".  Typically, Zenith used the color code as the last entry in the model number; therefore, both model combinations are listed.

• Mentioned in
• Photofact Folder, Howard W. SAMS (4822-23 Set 52 Folder 23)

• Author
• Model page created by Friedrich Weber † 12.09.2014. 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