• Year
  • 1953 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 271816

 Technical Specifications

  • Power type and voltage
  • No Power needed
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Unicorn H21 - Trix Brand, Lever Eric J. &
  • Notes
  • Miniature exponential horn type speaker of novel design and construction.

    Ideal for mobile equipments, factory call systems, railway stations, airports and other noisy locations.

  • Author
  • Model page created by Karl Dilcher. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum