• 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
• 73608

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 5

• Valves / Tubes
• 1U4 1R5 1U4 1U5 3V4

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC-DC 117 / 4.5 & 90 Volt

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

• Material
• Special material, described in the notes.

• from Radiomuseum.org
• Model: Y506L Ch= 5Y40 - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 11 x 7.5 x 4 inch / 279 x 191 x 102 mm

• Notes
• Real cowhide (leather).

• Price in first year of sale
• 49.95 USD

• Source of data
• Collector's Guide to Antique Radios 4. Edition

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

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 1-57, Set 344, Folder 17)

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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