• Country
• Germany

• Manufacturer / Brand
• Wisi (Wilh. Sihn); Niefern bei Pforzheim

• Year
• 1998 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 231964

• • Brand: Sihn jr., Wilhelm; Niefern

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• SAT-IF

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

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

• from Radiomuseum.org
• Model: Orbit Observer WA 11 - Wisi Wilh. Sihn; Niefern bei

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 220 x 105 x 235 mm / 8.7 x 4.1 x 9.3 inch

• Net weight (2.2 lb = 1 kg)
• 3.4 kg / 7 lb 7.8 oz (7.489 lb)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 141 models, 105 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wisi (Wilh. Sihn); Niefern bei Pforzheim