A QRD  (Quadratic Residue Diffuser) comprises wells of different depths, causing a mixture of phase shifts that diffuse reflected sound. Effective to diffuse frequency around 750hz - 4khz.


Ukuran : 60cm x 120cm x 15cm

Material : Plywood / Multiplek

PRD acoustic panel

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    © Sinergi Acoustic Engineering

    part of SAM Group