Royal 40W Ch= 6KT50Z1

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1964
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 74006
    • 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 40W Ch= 6KT50Z1 - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • The Zenith Royal 40W 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 AA batteries.  BC band frequency range is 540 to 1600kHz.  Sensitivity is approximately 350uV/m @ 15mW output. Cabinet color is White.

    Has earphone jack that disconnects the speaker for private listening.

    The Royal 40 series using the 6KT50Z1 chassis were available in the following colors:

    Model Number Cabinet Color
    Royal 40C Black
    Royal 40F Turquoise
    Royal 40W White

     

  • Price in first year of sale
  • 19.00 $
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Zenith Service Manual Model Royal 40 Chassis 6KT50Z1)

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