ON SALE- Reg $49- AcoustiPack ULTIMATE PC Soundproofing Kit
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AcoustiPack™ ULTIMATE sets a new standard for PC soundproofing material kits, where the maximum noise reduction is required in a limited space. The Acoustipack Ultimate kit includes 3 sheets; two 2-layer (4mm thick) and one sheet of our latest generation 3-layer materials, providing superb levels of noise reduction despite the thickness being only 7mm. Acoustipack Ultimate is designed to reduce the noise emanating from noisy PCs with case sizes ranging from standard ATX up to larger E-ATX and pedestal server cases used by gamers, power-users and small business users.
Sound energy first hits the upper foam surface, which is similar to the 2-layer construction, in that it is a low-reflective soundproofing material that is particularly effective at absorbing high frequencies. The sound energy then encounters the central suspended sound dampening barrier layer, which is decoupled from the substrate. This high-density high-mass layer acts as an acoustic barrier mass to the transmission of energy through the material. The 3rd layer of acoustic foam acts to suspend the barrier layer a small distance away from the substrate. We have found from both small scale impedance tube and larger scale reverberation chamber acoustic tests that the 'suspended' central acoustic barrier effectively increases the absorption of low frequency noise (<1kHz). This may well be a result of the 'mass-spring effect', where low frequency energy is absorbed by the sound 'moving' the layer when it is excited by certain resonant frequencies.