Surface or corner applied porous materials lose efficiency at low frequencies, because the particle velocity or air movement associated with long wavelengths is low. The sound pressure, conversely, is at its maximum. The internally damped membrane in Modex™ exploits this high pressure by converting the pressure fluctuations into air motion. As the membrane sympathetically vibrates over a selective low frequency range, determined by its mass and stiffness, it pushes air through an internal porous layer producing low frequency absorption. This innovative approach makes it possible for Modex™ to absorb the fundamental and higher harmonic modes that are often problematic in small rooms.
Specification Details for RPG Modex Module (Acoustic Panels & Tiles)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that acoustic grg products ltd is consulted before specifying.
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