• Year
  • 1978
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 161724

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 80 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: HK503 - Harman Kardon; New York
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 425 x 134 x 260 mm / 16.7 x 5.3 x 10.2 inch
  • Notes
  • Stereo Integrated amplifier with 40 watts RMS per channel into 8 ohms.
  • Net weight (2.2 lb = 1 kg)
  • 9.4 kg / 20 lb 11.3 oz (20.705 lb)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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