• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1979

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 121459

• Wave bands
• - without

• Power type and voltage
• No Power needed

• from Radiomuseum.org
• Model: DR-S4 - Sony Corporation; Tokyo

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Dynamic stereo headphones, closed coverage type, 20 - 20.000 Hz, matt black colored, 6,3 mm plug, volume control for each channel.

• Mentioned in
• Sony IFA Katalog 1979

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 4053 models, 3910 with images and 973 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo