• Country
• Germany

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

• Year
• 1990 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 310804

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• No Power needed

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

• Material
• Various materials

• from Radiomuseum.org
• Model: HiFi-Mini-Kopfhörer SR33 - Vivanco AG electronic;

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

• Dimensions (WHD)
• 150 x 150 x 40 mm / 5.9 x 5.9 x 1.6 inch

• Notes

• Frequenzbereich: 18-22.000 Hz; Impedanz: 32 Ohm.

• 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