• Year
  • 1961 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 342545
    • Brand: Musaphonic

 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 / AA: 2 x 1.5 Volt
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic. / Ø 2.62 inch = 6.7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: P822A - General Electric Co. GE;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 3 x 4.75 x 1.375 inch / 76 x 121 x 35 mm
  • Notes
  • High impedance speaker with reed suspended between pole pieces, drives paper cone with a stylus, and is directly driven in push-pull by a pair of collectors, without an audio output transformer. One of several contemporary GE transistor radio models to employ this kind of speaker which was originally used in the 1920's because of it's high efficiency and high impedance.

    US civil defense marks on station dial.

    There are three identical models with different case colors:

    Model Case Color
    P820A Black & White
    P821A White & Blue
    P822A Honey Beige & White

     

  • Net weight (2.2 lb = 1 kg)
  • 0.59 lb (0 lb 9.4 oz) / 0.268 kg
  • Author
  • Model page created by Jerry Elarton. See "Data change" for further contributors.

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