KEF LS50 Meta Bookshelf Speakers

List price: £1,099.00
£999.00
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LS50 Meta Carbon Black
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KEF LS50 Meta - The World's First Speakers with Metamaterial

Great loudspeakers disappear, leaving just the music. LS50 Meta is such a loudspeaker. The incredibly immersive sound means you lose yourself in your favourite music. Savouring every nuance as layer upon layer of instrumentation is delivered with exceptional acoustic accuracy anywhere in the room.

Designed for performance

LS50 Meta may look sensational, but as a high-performance loudspeaker every aspect of its design is a case of form following function. From the precision modelled curved baffle to the solid, reinforced cabinet, every inch of LS50 Meta has been designed to perform.

Metamaterial Absorption Technology

A truly revolutionary tool in the KEF acoustic armoury, 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 thereby providing the most accurate, immersive sound possible.

Every spot is the sweet spot

LS50 Meta features the latest 12th generation Uni-Q  driver.  Using advanced simulation and analysis tools, KEF’s engineers developed the 12th generation Uni-Q driver with MAT. 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.

Curved for performance

LS50 Meta’s low-diffraction, curved baffle is precision modelled around the Uni-Q driver array. Its smooth curved surfaces help radiate sound out across the baffle without any interference from hard edges, which cause diffraction. The result is cleaner, more precise sound.

Evolved from legendary LS50 Lineage

Great loudspeakers disappear, leaving just the music. LS50 Meta is just such a loudspeaker, and enhancements over the legendary LS50 include Driver Performance Optimisation and patented off-set flexible port for the best acoustic performance and an incredible immersive sound.

Braced for action

LS50 Meta’s baffle is engineered from an injection-moulded Dough Moulding Compound (DMC), while inside the cabinet cross bracing and Constrained Layer Damping (CLD) combine to deaden internal vibrations. The result of such meticulous attention to detail is the lowest colouration of any speaker in its class.

Flexible port design

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 colouring the midrange. This leads to improved clarity, with exceptional depth and detail.

Finished to perfection

LS50 Meta is much more than just a utilitarian loudspeaker, it is a piece of sculpture that livens up your life. This is why KEF offer a choice of four beautiful finishes, Carbon Black, Titanium Grey, Mineral White, and Royal Blue Special Edition.

KEF LS50 Meta Overview

• Metamaterial Absorption Technology eliminates 99% of high-frequency distortion for pure, natural sound

• 12th generation Uni-Q with MAT driver array for exceptional acoustic accuracy

• Driver Performance Optimisation for enhanced sonic performance, less distortion and reduced coloration

• Patented off-set flexible port for reduced midrange coloration with exceptional levels of depth and detail

• Optimised cabinet design for best acoustic performance

• Available in 4 finishes

• With mounting inserts to secure on KEF S2 Floor Stand (available as separate item)

KEF LS50 Meta Specifications

Design

Two-way bass reflex

Drive Units

Uni-Q Driver Array:
HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology
MF/LF: 130 mm (5.25 in.) aluminium cone

Crossover Frequency

2,1 kHz

Frequency Range (-6db)

47 Hz - 45 kHz

Typical In-room Bass Response (-6db)

26 Hz

Frequency Response (±3db)

79 Hz - 28 kHz

Harmonic Distortion (90db, 1m)

<0,4% 175 Hz - 20 kHz
<0,1% 300 Hz - 10 kHz

Maximum Output

106 dB

Amplifier Power (Recommended)

40-100 W

Nominal Impedance

8 Ω (min. 3,5 Ω)

Sensitivity (2.83V/1m)

85dB

Weight*

7.8 kg (17.2 lbs.)

Dimension (H X W X D) With Terminal*

302 x 200 x 280.5 mm (11.9 x 7.9 x 11.0 in.)

* Measurement per unit

Metamaterial Absorption Technology is a joint development with Acoustic Metamaterials Group.

 

Type:
  • Bookshelf
KEF has taken an excellent speaker and made it even better with its innovative Metamaterial tech. The LS50 Meta are now the class leader at this level
The original, EISA Award-winning LS50 loudspeaker was widely acclaimed, but KEF’s engineers have taken it to a new level with numerous detail revisions including the use of Metamaterial Absorption Technology to further control unwanted driver resonances. That may seem like a small internal upgrade, but the result is a magnificent compact speaker capable of a huge soundstage, generous bass and terrific imaging. It’s an already impressive speaker now transformed into something truly special and, at the price, is the very best of its genre.
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