• Year
  • 1953 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 73570
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 110 - 120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: K412W Ch=4K01 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 170 x 110 x 100 mm / 6.7 x 4.3 x 3.9 inch
  • Notes
  • Selenium Rectifier
    The Zenith Modell K412W is an AC/DC Operated 4 Tube AM Superheterodyne Receiver.

    Bakelite with metal trim. Available in different colors.

  • Net weight (2.2 lb = 1 kg)
  • 1.4 kg / 3 lb 1.3 oz (3.084 lb)
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 13, 1953

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The model K412W is part of the collections of the following members.

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