Taken as a whole, the complete frequency response exhibits a 2dB variation throughout most of the range, with a dip that spans 1.75 octaves, from 1kHz to 3.5kHz. Another peak is then encountered at 16kHz where the device rolls off to its measurement limitations. At 3.5kHz, we see a 3dB rise ending at 10kHz, where the frequency response gradually descends 2.5dB ending at 11kHz. Please note the Y-axis, 5dB scale, which translates into a 2dB range of unsmoothed deviation within these frequencies. Horizontal On- and Off-Axis Frequency MeasurementsĮxamining the frequency curve on-axis, the LS50 has an impressively smooth response from 135Hz up to 3kHz. This is why we offer a choice of four finishes, Carbon Black, Titanium Grey, Mineral White, and Royal Blue Special Edition.Figure 2: Horizontal sensitivity is measured on-axis at 15º, 30º, 45º, and 60º (no smoothing). LS50 Meta is much more than just a utilitarian loudspeaker it is a piece of sculpture that livens up your life. From the precision modelled curved baffle to the solid, reinforced cabinet, every inch of LS50 Meta has been designed to perform. LS50 Meta may look sensational, but as a high-performance loudspeaker every aspect of its design is a case of form following function. The low-diffraction curved front baffle is subtly mirrored by the gently radiused rear panel, where both the port exit and speaker terminals have been elegantly recessed and softened visually. Attention To Every DetailĮvery aspect of LS50 Meta has been considered for acoustic benefits and from a design perspective. This leads to improved clarity, with exceptional depth and detail. Using Computational Fluid Dynamics (CFD), the port flare and profile of LS50 Meta’s patented off-set port is calculated to delay the onset of turbulence, and the flexible port walls prevent resonances from coloring the midrange. The result of such meticulous attention to detail is the lowest coloration of any speaker in its class. LS50 Meta’s baffle is engineered from an injection-molded Dough Molding Compound (DMC), while inside the cabinet cross bracing and Constrained Layer Damping (CLD) combine to deaden internal vibrations. The result is cleaner, more precise sound. It’s smooth curved surfaces help radiate sound out across the baffle without any interference from hard edges, which cause diffraction. LS50 Meta’s low-diffraction, curved baffle is precision modeled around the Uni-Q driver array. LS50 Meta is such a loudspeaker, and enhancements over the legendary LS50 include Driver Performance Optimization and patented off-set flexible port for the best acoustic performance and an incredible immersive sound. Great loudspeakers disappear, leaving just the music. This new driver array delivers reduced coloration, less distortion and a sound that is more transparent and life-like than previously possible, all dispersed evenly throughout the room. Using advanced simulation and analysis tools, our engineers have developed the 12th generation Uni-Q with MAT. Every Spot Is The Sweet Spot - 12th Generation Uni-Q With Mat Metamaterial Absorption Technology (MAT ™)Ī truly revolutionary tool in the KEF acoustic armory, Metamaterial Absorption Technology (MAT ™) is a highly complex maze-like structure that absorbs 99% of the unwanted sound from the rear of the driver, eliminating the resulting distortion and providing purer, more natural sound.
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