Stereo Headphones Porta PRO JR

Koss Corporation; Milwaukee, WI

  • Year
  • 1988
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 298375

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Stereo Headphones Porta PRO JR - Koss Corporation; Milwaukee,
  • Notes
  • Headphones, multi-pivot earpieces and adjustable hoop.

    Frequency response 15 - 25000 Hz.

    Cord 1,8 meters, 6.35 and 3.5 mm plug.

    Sensitivity 97 dB SPL/ 1 mW.

    Distortion  < 0.2 %.

    Impedance 100 ohms.

  • Net weight (2.2 lb = 1 kg)
  • 0.650 kg / 1 lb 6.9 oz (1.432 lb)
  • Mentioned in
  • Catalog Koss 1988, ModelPage 23
  • Author
  • Model page created by Manuel Albano Neves. See "Data change" for further contributors.

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