• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1980 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 361389

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Alternating Current supply (AC) / 50/60 Hz, 220-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Booth Recorder ER-720 - Sony Corporation; Tokyo

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 230 x 285 x 135 mm / 9.1 x 11.2 x 5.3 inch

• Net weight (2.2 lb = 1 kg)
• 5.656 kg / 12 lb 7.3 oz (12.458 lb)

• Author
• Model page created by Keith Ellison. See "Data change" for further contributors.

• Other Models

• Here you find 4057 models, 3914 with images and 973 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo