DESIBEL -- the Worlds Largest Mobile Horn Laod speaker Soundsystem Desibel, a mobile sound art project, commissioned by Vevringutstillinga in 2009, for their 30th anniversary of their annual exhibition. Desibel is a ten meter long horn, sounding with frequencies between 15 Hz and 15 000 Hz reaching 130 Db within ten meters distance. Weight: 2 tons Height: 3.6 meters Length: 10 meters It plays a ten-minute long composition written by Maja SK Ratkje. The composition is made based on quency analysis of the horn, and the pitches are chosen to give the horns a full volume range.
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