• Year
  • 1958 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 138266
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 5
  • 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=105-125 or Battery pack: 9 & 90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: A504F Ch= 5A41 - Zenith Radio Corp.; Chicago,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The Zenith Modell A504F is a Three Power Portable AM Receiver.Selenium Rectifier.

  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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