Pioneer in the development of Schroeder diffusers and hybrid products. Founded by Dr. Peter D'Antonio.
WebsiteRPG QRD 734
Two-dimensional Schroeder diffuser (Quadratic Residue Diffuser) with N=7 sequence. Effective range 400 Hz – 3400 Hz. Natural or lacquered birch plywood. Module dimensions 597 x 597 mm, depth 165 mm. Mathematically optimized well depths for maximum phase shift. For studios, concert halls, and critical listening rooms.
Sound scattering of the surface
Scatter · octave band
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Measurement method: Measured
Room volume: 214 m³
Measurement date: 2024-05-10
Sound diffusion of the surface
Diffusion · octave band
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Cut-off frequency: 400 Hz
Measurement method: Measured
Measurement date: 2024-05-10
