Royal 450W 7AT45Z1

Zenith Radio Corp.; Chicago, IL

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  • Year
  • 1959
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 268053
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); 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 : 6 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm
  • Power out
  • 0.25 W (0.45 W max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Royal 450W 7AT45Z1 - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 110 x 170 x 50 mm / 4.3 x 6.7 x 2 inch
  • Notes

  • The Zenith Royal 450W is a battery operated 7 transistor portable BC band receiver.  The BC band frequency tuning range is 540 - 1600kHz.  Has push-pull output stage and a earphone jack that disconnects the speaker for private listening.  Uses Qty(6) AA 1.5V penlight batteries.

    The Royal 450 was available with 3 different cabinet colors:

    Model Cabinet Colors
    Royal 450Y Black
    Royal 450V Red
    Royal 450W White

     

  • Net weight (2.2 lb = 1 kg)
  • 1 lb 0 oz (1 lb) / 0.454 kg
  • Literature/Schematics (3)
  • - - Manufacturers Literature (Zenith Service Manual Model "Royal 450" All Transistor Portable Radio)
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

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