• Country
• Japan

• Manufacturer / Brand
• Roland Electronics Co. Ltd., Rotel; Tokyo

• Year
• 1981–1984

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 153716

• 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)

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Cassette Tape Deck RD-550 - Roland Electronics Co. Ltd.,

• Shape
• Book-shelf unit.

• Notes
• Frontloading 2-Head Stereo Cassette Deck with Dolby B and Metal Tape Capability.
  Belt Drive, Auto Shutoff (Full), Direct Loading.
  3-Digit Mechanical Counter, Digital Peak-Reading Meters, Bias Fine Tune.

• Price in first year of sale
• 300.00 $

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 340 models, 329 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roland Electronics Co. Ltd., Rotel; Tokyo