• Country
• Germany

• Manufacturer / Brand
• Vivanco AG (electronic); Ahrensburg

• Year
• 1980 ??

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

• Radiomuseum.org ID
• 255995

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Wechselsprech-Gerät WI 23 TFW-19/81 - Vivanco AG electronic;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 185 x 50 x 125 mm / 7.3 x 2 x 4.9 inch

• Author
• Model page created by Hans-Werner Ellerbrock. See "Data change" for further contributors.

• Other Models

• Here you find 52 models, 50 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vivanco AG (electronic); Ahrensburg