USHER Nerra ND-3
The Echo of the Earth Guardian
The name Nerra draws inspiration from the ancient guardian of mountains and forests—a spirit said to watch over the harmony and rhythm of the land.This guardian can hear the whispers inside stone, the movement of rivers, and the breath of wind through the trees.It transforms the stillness and motion of nature into pure resonance, allowing the pulse of the earth to echo across the world.
Nerra ND-3 embodies this origin. Unlike the deep-sea force of Nereo ND-5 or the crystalline purity of the light-inspired Nelis ND-1, Nerra ND-3 channels the primal rhythm of the earth— steady, grounded, and filled with a living, breathing sense of tension and release.
Primal Resonance of the Earth
With a refined two-way, two-driver configuration, the Nerra ND-3 delivers dynamics and presence far beyond what its size would suggest. Its sound is never ostentatious nor artificial; rather, it envelops the listener with the gentle warmth of soil while carrying the latent strength of deep geological layers— stable, solid, and resilient.
This balanced acoustic design creates a soundscape rich in detail, revealing subtle textures and natural transitions within everyday spaces. Whether placed in a dense urban dwelling or a quiet mountain home, Nerra ND-3 brings back the original heartbeat of the earth.
Streamline Artistic Craftsmanship
The unique side-curved uses premium birch, compressed and molded through a low-frequency Cold Pressed technique. This process of pressing is extremely time-consuming to ensures even and consistent pressure and temperature, resulting in smooth lines of wood curvatures. It is an exquisite and elegant artistical visual presentation. The scientifically designed internal structure and acoustic damping materials eliminates unwanted harmonic resonance and wave interferences, creating pure soundstages and resolving bass response.
Precise Sound-stage
The half-moon shaped front baffle compensates for phase differences between drivers, ensuring wavefront alignment and time coherence. This significantly reduces distortion caused by time delay, resulting in pinpoint imaging and a spacious, dimensional soundstage—offering a vivid and lifelike listening experience.
Premium Internal Wiring
Low-Pass crossover- Linear-crystal oxygen-free copper conductors (OCC) excels rich and warm mid-low frequency responses. High-Pass crossover: Silver-plated solid single-core conductors with Teflon isolations reduce distortion, excels uncolored and unrestricted high frequencies. Teflon coating protects conductors from oxidation, significantly extending longevity.
Driver Technology Optimization
Next generation sandwich composite DMD diamond tweeter has been further improved. The high-rigidity DMD diaphragm is ultra-lightweight, frequency response reaching up to 40 kHz. The neodymium magnet is arranged in a ring to increase magnetic flux density further enhances efficiency and overall magnetic circuit performance. A unique shorter circuit ring design ensures rapid transient response. The tweeter's micro-arc panel is CNC precision-carved fine-tuning sound wave dispersion angle, improving high-frequency directionality, reducing frequency band interferences, approaching near perfect low-distortion performance and micro-fine details.
The mid to mid-bass driver uses the same 7-inch as in the flagship Grand Tower speakers. Its diaphragm is made of German-selected compressed wool wood fiber composite material with proprietary surface damping coatings reducing distortion, provides excellent dynamics and withstands higher SPL.
Specifications
USHER Nerra ND-3
2-Way System: 1.25" Tweeter (9980-20 DMD-A), 7" Woofer (8948A)
Sensitivity: 86 dB @ 1W / 1m
Nominal Impedance: 8 ohms
Frequency Response (–3 dB): 32 Hz ~ 40 kHz
Power Handling: 100 watts
Crossover Frequency: 2.5 kHz
Weight: 31.5 kg / pc
Dimensions (W x D x H): 30 cm × 46.5 cm × 111.5 cm
