• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1985 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 149746

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 1

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Dry Batteries / 2x1,5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Walkman WM-EX23 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 90 x 115 x 35 mm / 3.5 x 4.5 x 1.4 inch

• Notes
• Walkman

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Author
• Model page created by Fred Nerger. See "Data change" for further contributors.

• Other Models

• Here you find 4017 models, 3873 with images and 965 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo