Solid State Tape Recorder RD-507 Ch= RDX-507

Sharp; Osaka

  • Year
  • 1969–1971
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 220793
    • 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
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Line / Batteries (any type) / 110; 200; 220; 240 / D: 6 × 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 1.3 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Solid State Tape Recorder RD-507 Ch= RDX-507 - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 304 x 107 x 257 mm / 12 x 4.2 x 10.1 inch
  • Notes
  • Sharp Model RD-507

    Solid state AC/DC 2-speed 5" portable tape recorder.

    Features: remote control on microphone. Combination record and battery level meter. Built-in automatic leveI control swltch. Voice operating circuit (automatic start and stop action by speaking into microphone). Variable tone control knob. Sound monitor system. (MINGAY'S PRICE SERVICE)

    Frequency response: 80 - 9,500 Hz at 3¾ ips (9.5 cm/sec); 80 - 4,000 Hz at 1⅞ ips (4.8 cm/sec).

  • Net weight (2.2 lb = 1 kg)
  • 4.5 kg / 9 lb 14.6 oz (9.912 lb)
  • Price in first year of sale
  • 129.00 AUS $
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Service Manual.)
  • Author
  • Model page created by Josef Pilz. See "Data change" for further contributors.

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