7R-77A

Sony Corporation; Tokyo

Data
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  • Year
  • 1978 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 269420

 Technical Specifications

  • Number of Transistors
  • 8
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Line / Batteries (any type) / 50/60Hz 110-120 / 220-240 / 4 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: 7R-77A - Sony Corporation; Tokyo
  • Shape
  • Tablemodel with Clock ((Alarm-) Clock Radio).
  • Notes

  • Sony 4 Bands 8 Transitors AC/Battery Portable Receiver Model 7R-77A.
    Frequency Range: AM 530 - 1605 kHz,
    SW1 1,6 - 4 MHz, SW2 4 - 10 MHz, SW3 10 - 26,1 MHz
    Tone Control, Fine Tuning
    Telescopic antenna, Carrying Handle
    Power Consumption 5 Watts.
     

  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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

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