• Country
• United States of America (USA)

• Manufacturer / Brand
• Microsonics Corporation; Los Angeles (CA)

• Year
• 1980 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 202369

• Number of Transistors
• 2

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Record Player (not changer)

• Power type and voltage
• Dry Batteries / 3 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.5 cm = 1.8 inch

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Microphonograph MS-400 - Microsonics Corporation; Los

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 85 x 55 x 140 mm / 3.3 x 2.2 x 5.5 inch

• Notes
• Portable record player for micro disk records as issued by the National Audubon Society (bird song guides). The micro disk records are mounted on a cassette-like box which is inserted into the player and gets centered by a retractable guide pin. The pickup system rotates on a disk within the device while the cassette remains stationary. The same technique was used in Fisher Price "Talk to me books". Circuito impiegante due IC: 3718M e KA2402

• Author
• Model page created by Fabio Masetti. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Microsonics Corporation; Los Angeles (CA)