ABF-260 | Asymmetric Boundary Flare, Gray | Duran Audio BV | Pearl Technology
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Asymmetric Boundary Flare, Gray

Model: ABF-260

  • Superior speech intelligibility
  • Minimum number of sources due to long throw
  • High directivity
  • High power
  • Low distortion
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The AXYS® Asymmetric Boundary Flare (ABF) has been specially developed for use in road traffic tunnels to form part of the voice alarm and announcement systems. The technology involved has been patented. The ABF geometry (essentially, half of a horn) is based on the principle of acoustical mirroring, in effect the mirroring creates the other half of the horn. The ABF is mounted on the ceiling which acts as a waveguide, reducing lateral reflections and obtaining a coherent wave front.
  • Superior speech intelligibility
  • Minimum number of sources due to long throw
  • High directivity
  • High power
  • Low distortion
  • Large front-to-back ratio
  • Superior sound quality to conventional folded horns, ABF has useful frequency response up to 8kHz
  • Reduced installation and maintenance costs compared to conventional folded horns
 
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