BX-489

Sharp; Osaka

  • Year
  • 1963–1965
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 176408
    • alternative name: Hayakawa Electric Co.Ltd.

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / AA: 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
  • Power out
  • 0.2 W (0.3 W max.)
  • from Radiomuseum.org
  • Model: BX-489 - Sharp; Osaka
  • Dimensions (WHD)
  • 7.5 x 4.5 x 1.5 inch / 191 x 114 x 38 mm
  • Notes
  • Sharp Model BX489

      Two band, eight transistor portable radio with super-heterodyne system.
      Tuning range, MW 530 - 1605 kC/s (kHz). SW 3.9 - 12 MC/s (MHz). Powered by four UM-3A (1.5V) batteries. MR-1A low impedance magnetic earphone.

    This model sold in Australia between 1963 & 1965 for £40/19/-. Price includes batteries.

  • Source of data
  • -- Schematic
  • Circuit diagram reference
  • Radio and TV Servicing books (R&TVS) book
  • Author
  • Model page created by Keith Staines. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum