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 60cm x 15cm

Material : Plywood / Multiplek

Available in many color

ARTCOUSTIC PRD Panel

Rp900.000,00Price

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