• Country
• Japan

• Manufacturer / Brand
• Technics (brand)

• Year
• 1981

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 132641

• 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 EAH-820 - Technics brand

• Notes
• EAH-820, Stereo Headphones.
  Frequency response: 15-30000 Hz 15-25000 Hz (20 dB) Impedance: 100 Ohm at 1 kHz Sensitivity: 0,51 V for 100 db SPL at 200 Hz (96 dB/mW) (IEC test standard using Brüel & Kjaer 4153); 0,72 V for 100 db SPL at 200 Hz (93 dB/mW) ( Measured with Dummy Head), Distortion: 0,3% total harmonic dist. at 100 dB SPL 200 Hz Cord lenght: 3 meters (spiral cord)

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 1065 models, 1027 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Technics (brand)