Radio Recorder RD-437D Ch= RD 437

Sharp; Osaka

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  • Year
  • 1975 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 220172
    • alternative name: Hayakawa Electric Co.Ltd.

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast, Short Wave plus FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Line / Batteries (any type) / 220 / 4x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Power out
  • 1.5 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Radio Recorder RD-437D Ch= RD 437 - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 307 x 200 x 83 mm / 12.1 x 7.9 x 3.3 inch
  • Notes
  • MW 520 - 1620 kHz, KW 509 - 18 MHz und UKW 88 - 106 MHz.
  • Net weight (2.2 lb = 1 kg)
  • 2.9 kg / 6 lb 6.2 oz (6.388 lb)
  • Mentioned in
  • -- Original-techn. papers. (Sharp Serviceunterlagen)
  • Author
  • Model page created by Josef Pilz. See "Data change" for further contributors.

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