Royal 500YD Ch= 8AT40Z2

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1958
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 172193
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / AA: 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.75 inch = 7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Royal 500YD Ch= 8AT40Z2 - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Literature/Schematics (2)
  • -- Original-techn. papers. (Antique Radio Magazine n.61, June-July 2004, page 53 (Ita/Eng). Free at Aldo Andreani's website.)
  • Literature/Schematics (3)
  • -- Original-techn. papers. (Zenith Royal 500 Transistor Radios "Owl Eyes" booklet, Eldon A. Horton, pages 1-20.)
  Radio a transistor tascabili americane: Zenith Royal 500 “Owl Eyes” (Per cortesia di L.Salvatore/ARM) 3327 KB
  • Documents regarding this model
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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