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JBN Sound Ceiling installed at Riverlea Receptions in Victoria


  • The measurements are made in a typical discotheque (14x25) with concrete floor.
  • In the discotheque we have one disco-booth, one bar and one office.
  • The height of the conventional speakers and the JBN Sound Ceiling® are 3.0 metre above the floor.
  • The conventional speakers are two cabinets with two 15-inch bass speakers in each cabinet.
  • The sound levels are measured with Bruel & Kjaer 2218 in 100 point positions, 1.5 metres above the concrete floor.
  • Sound Ceiling size: 3.0m x 3.6m and 5.4m x 4.2m.
  • Better directivity in the 63Hz Octave is obtained with larger Sound Ceiling.


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