• Country
• United States of America (USA)

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

• Year
• 1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 69034

• • 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 1U5 3V4

• Main principle
• Superheterodyne (common); 1 AF stage(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 117 / 7.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Z404L Carousel Ch= 4Z41 - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 270 x 170 x 100 mm / 10.6 x 6.7 x 3.9 inch

• Notes
• leather case;

• External source of data
• Volker Jeschkeit

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 17, 1957

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 1-57, Set 343, Folder 17)

• 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