Solid State Tape Recorder RD-508 Ch= RDX-508

Sharp; Osaka

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  • Year
  • 1969–1971
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 220738
    • alternative name: Hayakawa Electric Co.Ltd.

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

 Technical Specifications

  • Number of Transistors
  • 6
  • 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
  • 1.7 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Solid State Tape Recorder RD-508 Ch= RDX-508 - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 11.375 x 3.625 x 11 inch / 289 x 92 x 279 mm
  • Notes

  • Sharp Model RD-508

    A solid-state AC DC tape recorder with automatic reverse. Reel size, 5".

    Features: auto-reverse stop device provides continuous record/playback without changing the tape reels. Tape direction can also be dltered manually by simply pressing the button while recording or playing back. Convenient AC DC automatic switchover system. Built-in sound monitor system. Level battery meter. Variable tone control. Three-digit tape counter. Remote control switch on microphone. (MINGAY'S PRICE SERVICE)

    2-track, 2-speed, 3¾ and 1⅞ ips. Frequency response: 80 - 9000 HZ at 3¾ ips (9.5 cm/sec) & 80 - 4000 at 1⅞ ips (4.8 cm/sec).

    Tape mechanism: RDX-508

  • Net weight (2.2 lb = 1 kg)
  • 10 lb 0 oz (10 lb) / 4.540 kg
  • Price in first year of sale
  • 165.00 AUS $
  • Literature/Schematics (1)
  • -- Original prospect or advert (Service Manual.)
  • Author
  • Model page created by Josef Pilz. See "Data change" for further contributors.

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