• Country
• Japan

• Manufacturer / Brand
• Toshiba Corporation; Tokyo

• Year
• 1980 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 214247

• • alternative name: Shibaura Engineering Works
  • Brand: Tokyo Shibaura

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Aurex Automatic Dynamic Range Extension System AD-4 - Toshiba Corporation; Tokyo

• Shape
• Book-shelf unit.

• Notes
• Toshiba Aurex Automatic Dynamic Range Extension System 'adres' Model AD-4.
  Dynamic Expander für Tonbandgeraete, Rauschunterdrueckung.
  2x Peak Level Meters, Design Silver.

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

• Other Models

• Here you find 993 models, 917 with images and 214 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Toshiba Corporation; Tokyo