2D QRD n19 Skyscraper Skyline Diffuser Diffusor Sound Acoustic Panel Absorption Absorption Treatment Schroeder Vicoustic Hofa

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Verkäufer: 7audio (11) 100%, Artikelstandort: Gdansk, Versand nach: Europe, Artikelnummer: 163527389898 Acoustic Forest 2D QRD N19 Diffuser Schroeder's QRD 2D N19 Skyline diffuser / acoustic panel that distributes sound waves spherically. Panels designed like commercial solutions, but are made of better material (Extruded Polystyrene instead of expanded polystyrene). Extruded Polystyrene offers improved surface roughness and higher stiffness than standard polystyrene foam like EPS100 or EPS200. It does not crumble like EPS. It's also more expensive material for this reason. One of the best designs of the sound wave diffusing panel, based on the Schroeder Two-Dimensional (2D) Quadratic Residue Diffuser mathematical model. 2D QRD diffusers produce lower level reflections in relation to 1D QRD diffusers due to their omnidirectional way of dispersing sound waves. Specification: The most effective range of scattering: 1124 Hz - 5733 Hz Full range of scattering: 562 Hz - 5733 HzWell dimensions: 3 x 3 cmAmount of wells: 361The total dimensions: 57 x 57 x 15 cmWeight: 1,5 kgMaterial: extruded polystyrene (density 36kg/m3)Colour: graphite / dark gray (can be freely painted, preferably by spraying, with acrylic paint)Designed by a master's degree in audio engineering. Aplication:Ideally suited to the front or back wall of the listening room, control room, recording studio, home theater. His task is to evenly disperse the sound in time and space, to reduce the echo of reflected waves and to control unwanted reflective resonances. Appropriate use of QRD diffusers allows in small rooms to resign from setting walls at different angles and using sound-absorbing materials. The QRD diffusion panels allow you to minimize the reverberation problem while maintaining the precious energy and naturalness of music and speech. They allow to virtually increase the volume of a small room.Aesthetic design will also decorate any room.The panels function the same as made of wood, while being much lighter and cheaper. Price for 1 panel. QRD vs PRDOn the audiophile forums there is a mistaken fashion that the primitive root diffuser is just as good or even better than the quadratic diffuser. It's not entirely true. Why quadratic residue diffuser is better than primitive root number diffuser? F. Alton Everest in the "Master Handbook of Acoustics" give us the answer: "Primitive-root diffusers are not symmetrical like those of the quadratic-residue diffusers. In most cases this is a disadvantage, but in some cases it is an advantage. There is an acoustical limitation with the primitive-root diffusers in that the specular mode is not suppressed as well as it is in the quadratic-residue diffuser. Commercial development has largely utilized quadratic-residue sequences." Condition: Nowy: inny (zobacz szczegóły), Condition: Professionally cut (CNC) acoustic diffuser made of Extruded Polystyrene Styrofoam for studio and home theater needs., Typ produktu: Dyfuzor, Marka: Acoustic Forest, MPN: Nie dotyczy, Kolor: Srebrny, Pakiet produktów: Nie, Przedmiot zmodyfikowany: Nie, Rozmiar produktu: 57 x 57 cm, Kraj i region pochodzenia: Polska

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