Royal 50YL Shirt Pocket Radio Ch= 6KT40Z1, 6KT40Z8 charcoal/white

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1962
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 73991
    • 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)
  • 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
  • 0.25 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Royal 50YL Shirt Pocket Radio Ch= 6KT40Z1, 6KT40Z8 [charcoal/white] - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 2.7 x 4.6 x 1.3 inch / 69 x 117 x 33 mm
  • Notes
  • color: charcoal with white front. Recessed tuning knob.
  • Net weight (2.2 lb = 1 kg)
  • 0.260 kg / 0 lb 9.2 oz (0.573 lb)
  • Price in first year of sale
  • 20.00 $
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 24, 1964

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The model Royal 50YL Shirt Pocket Radio is part of the collections of the following members.

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