• Year
  • 1973 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 326162
    • alternative name: Chicago Radio Lab

 Technical Specifications

  • Number of Transistors
  • 9
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 5 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Dry Batteries / 1 x 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Royal RB21Y - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 135 x 103 x 30 mm / 5.3 x 4.1 x 1.2 inch
  • Notes
  • Zenith RB21Y

    See similar model Zenith RB21L.

    Made in Hong Kong

  • Net weight (2.2 lb = 1 kg)
  • 0.4 kg / 0 lb 14.1 oz (0.881 lb)
  • Author
  • Model page created by Eckhard Wegner. See "Data change" for further contributors.

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The model Royal RB21Y is part of the collections of the following members.

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