• Country
• United States of America (USA)

• Manufacturer / Brand
• EICO (Electronic Instrument Co.Inc.) Brooklyn

• Year
• 1970 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 134115

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Quatrasonic QA-4 - EICO Electronic Instrument Co.

• Shape
• Tablemodel, with any shape - general.

• Notes
• Quatrasonic by Eico QA-4;
  4 channel stereo adapter.
  Sold as a kit or ready wired.

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 174 models, 170 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from EICO (Electronic Instrument Co.Inc.) Brooklyn