Perfopan
Diffractal
Diffractal is built from nested, self-similar scaled diffusers, each covering a specific frequency range, so it scatters sound over a wide area without lobing effects. It suits cinemas, studios, concert halls, school music rooms and venues where reflections need even control.
Each diffuser nests another within it, extending bandwidth, and amplitude modulation varies the QRD sequence order to minimise periodicity-related lobing. The modular structure allows fast installation, with custom sizing and furniture-grade joinery in a range of woods and lacquer finishes.
Not sure what your space needs? We can survey it or quote for supply and installation.
Wide frequency-band coverage without lobing
Modular structure for fast installation
Furniture-grade wood and lacquer finish options
- Custom sizing to project requirements
- Fractal surface geometry for wide-area frequency coverage
- Modular construction for fast installation
- Furniture-grade wood and lacquer finish options
Nested, self-similar low, mid and high-frequency QRDs extend effective bandwidth; amplitude modulation minimises periodicity-related lobing while preserving wide-area coverage.
Similar acoustic products
Where it works, fire rating and fitting
Your product questions, answered, for UK schools, offices and venues.
It diffuses sound across low, mid and high frequencies with nested QRDs, so reflections are scattered evenly instead of absorbed. It suits cinemas, studios, concert halls, school music rooms and performance venues. For schools we assess against the BB93 target at the survey.
Its modular structure allows fast installation, and our installation team fits the units to your wall or ceiling build. We agree set-out and module joints at the survey so the fractal pattern lines up across the surface.
The product details we hold do not state a classification. We therefore confirm it from the manufacturer's data sheet, for the exact wood and lacquer chosen, and check it against your building's requirements before anything is ordered.
Yes. Sizing is custom to the project, and the surface comes in furniture-grade woods and lacquer finishes. Because each module nests lower, mid and high-frequency QRDs, we confirm the size and finish together at the survey.
Samples are available on request; allow a few working days. Quantity depends on room size, use and the reflections to be treated, so our free site survey agrees numbers and gives a quotation and an AI-assisted acoustic report.
Too noisy? Let's talk silence.
Book a FREE site survey, and an acoustician will tell you exactly what your space needs. Rather talk first? Call +44 1908 880191.













