• Country
• United States of America (USA)

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

• Year
• 1953 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 366056

• • 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

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 117=110-120 / 9 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 inch = 13.3 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: J504Y Ch= 5J41 - Zenith Radio Corp.; Chicago,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• Zenith model J504Y is a three power portable AM superheterodyne receiver.

   

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 219, folder 12, dated 10-53)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 4602 models, 4231 with images and 3736 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL