• Year
  • 1977
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 253268

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone / Ø 5 cm = 2 inch
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: ASE-40 - Akai Electric Co., Ltd.; Tokyo
  • Notes
  • HiFi Stereo Headphones, Linear Drive Dynamic Type, Impedance: 2 x 40 Ohms, Sensitivity: 96 dB at 1Khz/1 mW, Maximun Power Input: 200 mW, Frequency Response: 20 Hz-20.000 Hz, Harmonic Distortion: Less Than 0,3 %, Weight: 300 g, Unit Diameter: 50 mm. 6 micrones Mylar.

    The Mylar film diaphragm, covered by a metallic print is the reason for improved linearity. From low frequency range to high, better frequency response characteristics enable faithful reproduction of the original sound.

  • Net weight (2.2 lb = 1 kg)
  • 0.3 kg / 0 lb 10.6 oz (0.661 lb)
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Enrique Palacio. See "Data change" for further contributors.

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