• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1992

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 132694

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 2 × 1,5 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Various materials

• from Radiomuseum.org
• Model: Infrared Headphones MDR-IF 310 K - Sony Corporation; Tokyo

• Notes
• MDR-IF 310 K, Infrared Headphones.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Source of data
• -- Original prospect or advert

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

• Other Models

• Here you find 3995 models, 3856 with images and 958 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo