Ivy Boy MR-525

Sanyo Electric Co. Ltd.; Moriguchi (Osaka)

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  • Year
  • 1965/1966
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 334107

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Alternating Current supply (AC) / 110-117; 220-240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 1 W (1.5 W max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Ivy Boy MR-525 - Sanyo Electric Co. Ltd.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 11.75 x 5.25 x 9 inch / 298 x 133 x 229 mm
  • Notes

  • "Ivy-boy", all transistorised, mains operated, 2-speed, 2-track, automatic level control system, including microphone, 5" tape and reel, splicing tape and patch cord.

    Recording: AC bias, 2 tracks
    Erasing: DC erasing
    Tape Speed: 3¾ (9.5cm) / sec, 1⅞ (4.75cm) / sec
    Recording Time: 1 hour at 3¾ inch/sec (600ft. tape) & 2 hours at 1⅞ inch/sec (600 ft. tape)
    Rewinding Time: Up to 2 minutes (600ft tape)
    Fast Forward: Up to 2 minutes (600ft tape)
    Loudspeaker: 3⅛" x 4¾" (7.8 x 12cm) oval
    Frequency Response: 150 - 7000c/s (Hz) 3¾ ips & 150 -3500c/s (Hz) 1⅞ ips

    Price $78.50 after the introduction of decimal currency in Australia (14/2/1966).

  • Net weight (2.2 lb = 1 kg)
  • 8.1 lb (8 lb 1.6 oz) / 3.677 kg
  • Price in first year of sale
  • 38.85 AUS £
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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