• Country
• Germany

• Manufacturer / Brand
• Sennheiser Electronic (Labor W); Wennebostel

• Year
• 1970 ??

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 203906

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Reportage Empfänger ER 23 - Sennheiser Electronic Labor W;

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

• Notes
• Sennheiser Reportage Empfänger ER 23;
  Diversity Empfänger, 77.59 & 77.53 MHz bekannt, made in Germany.

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

• Other Models

• Here you find 293 models, 278 with images and 134 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel