Royal 40 Ch= 6KT43Z1

Zenith Radio Corp.; Chicago, IL

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  • Year
  • 1963
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 87032
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s); Super Regenerativ
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 2 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2 inch = 5.1 cm
  • Power out
  • 0.08 W (0.135 W max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Royal 40 Ch= 6KT43Z1 - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes

  • The Zenith Royal 40 is a battery operated 6 transistor BC band portable radio.  The chassis is a superheterodyne receiver with the first stage configured as an autodyne converter.  A diode is used for the detector.  Has push-pull output stage.  Uses Qty(2) 1.5V penlite batteries.  BC band frequency range is 540 to 1600kHz.  Sensitivity is approximately 400uV/m @ 50mW output.

  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 23, 1963
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Zenith Service Manual Models Royal 40-50K-60 Chassis 6KT43Z1 & 6KT44Z1)
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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