KNSTAR Pocket Radio AM/FM K-257

Shenzen Kingstar Electronics Co., Ltd. (KNSTAR); Shenzhen

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  • Year
  • 2020 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 339491

 Technical Specifications

  • Main principle
  • DSP, Digital Signal Processor
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Batteries / addl. power jack / DC: 3 / AA: 2 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.7 cm = 2.2 inch
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: KNSTAR Pocket Radio AM/FM K-257 - Shenzen Kingstar Electronics
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 115 x 65 x 25 mm / 4.5 x 2.6 x 1 inch
  • Notes

  • Main specifications:

    • Receiver bands:
      • AM: 530 - 1600 kHz
      • FM: 88 - 108 MHz
    • Power ON LED indicator
    • 8 Ohm 0.5 Watt speaker
    • 3V DC IN power socket (positive at the center)
    • 3.5mm earphone socket
    • Enclosure colors: Black, Silver

    Some technical details

    The receiver is built around two integrated circuits, IC1 KT0936M-B9  Radio-on-a-Chip DSP with integrated MCU and class AB Audio Amplifier, and IC2 8002D Mono Bridged Power Amplifier.

    See the similar KNSTAR K-270 model featuring slightly different RF bands.

     

  • Author
  • Model page created by Jose Mesquita. See "Data change" for further contributors.

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The model KNSTAR Pocket Radio AM/FM is part of the collections of the following members.

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