Optonica SM-4000 mk II

Sharp; Osaka

  • Year
  • 1975
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 159144
    • alternative name: Hayakawa Electric Co.Ltd.

 Technical Specifications

  • Number of Transistors
  • 53
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 140 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Optonica SM-4000 mk II - Sharp; Osaka
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 442 x 144 x 380 mm / 17.4 x 5.7 x 15 inch
  • Notes
  • Integrated Stereo Amplifier with 70 watts RMS per channel into 4 ohms or 58 watts RMS per channel into 8 ohms (distortion 0.05% at 1kHz).

  • Net weight (2.2 lb = 1 kg)
  • 16 kg / 35 lb 3.9 oz (35.242 lb)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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