3-Band Transistor 10 BY-412

Sharp; Osaka

  • Year
  • 1962–1964
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 316152
    • alternative name: Hayakawa Electric Co.Ltd.

 Technical Specifications

  • Number of Transistors
  • 10
  • Semiconductors
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 10 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Batteries / addl. power jack / 6V AC Mains Adapter or "C" 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 3-Band Transistor 10 BY-412 - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 9.25 x 4.75 x 2 inch / 235 x 121 x 51 mm
  • Notes
  • Sharp Model BY412

       Portable 10-transistor, three-band, superheterodyne system with AGC.
      Tuning range: MW 535 - 1605 kC/s (kHz). S/W1 3.9 - 12 MC/s (MHz). s/W2 12 - 26 MC/s (MHz). Intermediate frequency, 455 kC/s (kHz). Output maximum 250 mW, no distortion 200 mW. Power source: four UM-2A (C Cells) 1.5 volt batteries. Speaker 3½" PDS. Earphone MR-1A.

    Transistor types not specified in the schematic.

    This model sold in Australia between 1962 & 1964 for £51/9/-. Price includes batteries.

  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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