ACOUSTIC COLUMNS
Acoustic columns incorporate several identical speakers mounted in a line. The vertical coverage angle is reduced, while the horizontal coverage angle is widened. In reverberant venues (e.g., churches), acoustic column direct the acoustic beam toward the auditorium, avoiding reflections and echoes that reduce intelligibility.
- Acoustic columns diffuse the sound layer at the listener's height and do not project it toward the ceiling.
- The sound pressure of these speakers is quite high (over 100 dB), and the frequency response is adequate for music and speech.
- The mounting height, angle of inclination, and orientation must be calculated so that the axis of the acoustic beam passes at the listening height (between 1.5 and 1.6 m) of the furthest listeners.
- The reach of a speaker depends on its physical height. A distance between 10 and 20 times their height is considered (for example, the reach of a 0.7 m tall column will be between 7 and 14 meters).
- They are usually distributed along the two side walls of the auditorium (churches, assembly halls, conference rooms, etc.). They are also suitable for railway or bus platforms.
Calculator - station platform
Transit station platforms are spaces with adverse acoustic conditions, where highly efficient intelligibility is essential. Ambient noise is high and sometimes (when trains pass) very loud, with average levels approaching 80 dB, which can be much higher at specific times. Therefore, management and control systems that allow automatic volume adjustment based on ambient noise are recommended.
Acoustic columns are installed on walls at a height of approximately 2 meters.
Models are available for outdoor installation, with sufficient protection levels to withstand adverse atmospheric conditions.
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Attenuation | Noise | Acoustic columns | Catalogue
