2D-QRDiffusor

Standard size: 600*600*100mm

QRD Diffuser
QRD diffuser is an irregular graphic design, the aim is to create diffusion in the reflection, the early sound generated is very rich and mellow. The reverberation seems from many direction — from side, top and front to audience. It could obviously improve the sound quality in the hall.

Diffusion Theory
QRD diffuser is formed by a serious of algae with paralleled arrange changeable depth. When sound wave incident at 135°to the horizontal placed QRD, it could reflect sound with same power between 30°to 50°.

Absorption
Different QRD reflector is designed based on different wood has different absorption character. We can offer diffuser with diffusion and absorption coefficient ordered by customers.

Single QRD 750*800*310mm(thickness)
Test rate 1:1 Sound resourse to QRD is 10m, receiving point to QRD is 5m.

QRD 600*1200*310mm
Total 14pcs QRD are layed at the center of reverberation room floor. Total area is 10.1m2.

Quadratic Resdiue Diffusers QRD734(n=7) could be necessary choice for music education facility, recording studio, church, auditoriums, theatres and multi-function room, becasue of its wide bandwith, low cost, and broad selection of decorative surface. QRD have been success fully applied in thousands of project.