• Country
• Germany

• Manufacturer / Brand
• Olympia Werke, Roffhausen

• Year
• 1980 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 272497

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Special Tape or Cassette-Format

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: DG 501 - Olympia Werke, Roffhausen

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

• Dimensions (WHD)
• 60 x 130 x 30 mm / 2.4 x 5.1 x 1.2 inch

• Notes

• Diktiergerät zur Aufnahme auf Mikrokassette.

  Made in Japan.

• Net weight (2.2 lb = 1 kg)
• 0.230 kg / 0 lb 8.1 oz (0.507 lb)

• Author
• Model page created by Christian Berthier. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 4 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Olympia Werke, Roffhausen