04 74 09 93 20 
info@creacoustic.fr 
82 Rue Henri Depagneux 69400 Limas
Énergie totale rayonnée par une source sonore par unité de temps. Contrairement à la pression (Lp), la puissance (Lw) est une donnée intrinsèque au matériel, indépendante de la distance et de l’environnement.
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