• Country
• United States of America (USA)

• Manufacturer / Brand
• Koss Corporation; Milwaukee, WI

• Year
• 1964–1967

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 140632

• Wave bands
• - without

• Power type and voltage
• No Power needed

• from Radiomuseum.org
• Model: Stereo Headphones SP-3X - Koss Corporation; Milwaukee,

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• HiFi Stereo Headphones. Frequency response 10-15000 Hz. 4-6 Ohms.

• Source of data
• -- Original prospect or advert

• Literature/Schematics (1)
• Toute l'Electonique 1966

• Author
• Model page created by Eddy Rischmann. See "Data change" for further contributors.

• Other Models

• Here you find 51 models, 50 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koss Corporation; Milwaukee, WI