• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shack (Tandy, Realistic, Micronta); USA

• Year
• 1977

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 369600

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Realistic Spherical Speaker System 40-1225 - Radio Shack Tandy, Realistic,

• Shape
• Miscellaneous shapes - described under notes.

• Price in first year of sale
• 19.95 USD

• Mentioned in
• Radio Shack Catalog (1977 radio shack catalog page 22 "NEW FOR '77")

• Author
• Model page created by Glen Orriss. See "Data change" for further contributors.

• Other Models

• Here you find 2827 models, 2758 with images and 167 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA