Krug MKII Parametric Acoustic Diffuser

Description

The Nankarrow Krug is a computationally derived acoustic diffuser engineered to redistribute reflected sound energy in a controlled and acoustically beneficial manner. Its parametric surface geometry is designed to break up strong specular reflections, reduce flutter echo, and improve spatial uniformity within the room, while preserving acoustic liveliness far more effectively than conventional absorptive treatment.

Unlike purely absorptive panels that dissipate sound energy, the Krug works by introducing carefully varied surface depths and contours that generate phase-shifted reflections across the incident wavefront. This produces a more diffuse reflected field, improves stereo imaging, enhances speech and music clarity, and reduces localized acoustic anomalies such as comb filtering and standing wave reinforcement in the mid-to-high frequency range.

Acoustic Design Principle

The Krug is based on a parametric diffusion concept in which the surface relief is generated using computational modeling rather than repetitive decorative profiling. The resulting non-uniform geometry is intended to increase scattering efficiency across a broad angular range, helping to distribute reflected energy more evenly throughout the space.

This makes the panel particularly suitable for environments where acoustic accuracy, spaciousness, and energy preservation are required simultaneously. It is especially effective in critical listening rooms, studios, theaters, and performance spaces where uncontrolled reflections can degrade clarity and spatial definition.

Technical Specifications

Product Type	Parametric Acoustic Diffuser
Primary Function	Broadband sound diffusion and reflection control
Material Options	Acoustic-grade Austrian pine wood / High-density fiberboard / Custom composite substrate
Standard Dimensions	2295 mm x 1000 mm x 100 mm
Imperial Dimensions	7.5 ft x 3.28 ft x 4 in
Weight	Typically around 100 kg per unit, depending on substrate and finish
Effective Frequency Range	500 Hz to 4000 Hz
Geometry	Computationally optimized parametric relief pattern
Mounting Options	Wall-mounted / Modular array configuration / Optional floating or flush installation
Finish Options	Natural polished pine / Stained wood / Nitrocellulose-painted HDF in RAL shades / Custom finishes
Customization	Available in custom dimensions, finishes, colors, and project-specific configurations

Parametric Surface Engineering

The Krug uses an algorithmically generated three-dimensional surface profile designed to create controlled phase variation in reflected sound waves. This improves diffusion performance compared to flat or repetitive decorative surfaces and helps achieve a more even sound field.

Wideband Mid-To-High Frequency Diffusion

With an effective operating range of approximately 500 Hz to 4000 Hz, the diffuser is designed to scatter sound across the most perceptually critical bands for speech intelligibility, music detail, and spatial imaging. This makes it highly effective for rear-wall, side-wall, and ceiling diffusion applications.

Reflection Control Without Over-Damping

The Krug reduces harsh reflections and acoustic concentration without excessively absorbing energy from the room. This allows the space to maintain natural liveliness and openness while improving listening precision and reducing acoustic fatigue.

High-Mass Precision Construction

Manufactured from dense, acoustically stable substrates, the Krug combines structural mass with precision-machined geometry. This ensures dimensional consistency, long-term durability, and reliable acoustic behavior in demanding architectural and studio environments.

Modular Array Compatibility

Each unit can be installed individually or combined in continuous multi-panel arrays for larger treatment zones. This enables seamless integration across wide wall surfaces while maintaining a coherent and visually unified acoustic design language.

Architectural Finish Flexibility

The Krug is available in premium natural wood finishes as well as painted HDF variants in a wide range of RAL colors. This allows the diffuser to function not only as a high-performance acoustic element but also as a sculptural architectural feature.

Acoustic Advantages

Improved Spatial Uniformity: Helps distribute reflected energy more evenly throughout the room, reducing localized hot spots and dead zones.

Enhanced Clarity And Imaging: Minimizes disruptive reflections that can smear transients, blur localization, and reduce intelligibility.

Reduced Flutter Echo: Breaks up repeated reflections between parallel surfaces, particularly in untreated or highly reflective rooms.

Preserved Room Energy: Maintains acoustic liveliness and natural ambience instead of creating an over-damped environment.

Improved Listening Comfort: Produces a more balanced, diffuse sound field that is less fatiguing over prolonged listening periods.

Recommended Applications

• Recording studios and control rooms
• Home theaters and media rooms
• Auditoria and performance venues
• High-fidelity listening rooms
• Conference rooms and presentation spaces
• Architectural interiors requiring both acoustic and visual impact

Installation Guidance

The Krug is typically installed on rear walls, upper side walls, or ceiling zones where reflected sound energy needs to be dispersed rather than absorbed. It may be used as a standalone treatment or combined with broadband absorbers and bass control systems as part of a balanced room acoustic strategy.

For larger spaces, multiple units can be configured as modular arrays to achieve greater surface coverage and more uniform diffusion performance across the treated area.