• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1987 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 291350

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Batteries / addl. power jack / AA: 2 x 1,5 / 3 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Walkman FM/AM Stereo Cassette Player WM-F41 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 130 x 35 x 95 mm / 5.1 x 1.4 x 3.7 inch

• Notes

• Type designation states "Model No. WM-F31/41"

  See also the similar model Sony Walkman WM-F31.

• Net weight (2.2 lb = 1 kg)
• 0.205 kg / 0 lb 7.2 oz (0.452 lb)

• Author
• Model page created by Ottmar Lauth. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 957 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo