• Country
• United States of America (USA)

• Manufacturer / Brand
• Grado Laboratories Inc.; Brooklyn (NY)

• Year
• 1984 ??

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

• Radiomuseum.org ID
• 157100

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Laboratory Stereo - Grado Laboratories Inc.;

• Notes
• Electro Dynamic Stereo Moving Coil Cartridge.
  Frequency response: 10 to 30,000 Hz (+-1dB).
  Inter-channel balance: +-0.5dB; Output: 6mV.
  DC resistance: 950 ohms per channel; Impedance: 950 ohms per channel.
  Input load: above 5000 ohms.
  Tracking force: 3g; Stylus mass: 0.3mg.
  Channel separation: 30dB.

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 6 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grado Laboratories Inc.; Brooklyn (NY)