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The KEF LS50 Meta standmount speakers are a highly precise, emotionally engaging loudspeaker built on revolutionary acoustic technology. Designed around the Uni-Q 12th Generation with Metamaterial Absorption Technology driver array, this solid, compact loudspeaker is capable of delivering detailed sound anywhere in the room.PERFORMANCE – most accurate, immersive sound
The KEF LS50 Meta has inherited its distinctive good looks from the original LS50, with its low-diffraction, curved baffle precision modelled around the Uni-Q driver array. The curved front is subtly mirrored by the gently radiused rear panel, while both the port exit and speaker terminals have been elegantly recessed and softened visually.
On theKef LS50 Meta’s underside, each corner has a threaded inset allowing the speaker to lock onto the top of the new KEF S2 Floor Stand, which also boasts integrated cable management and a mass-loadable column. LS50 Meta is available in four colours, all of which benefit from a modern silky matte finish, while the S2 Floor Stands are colour matched to the models.
The LS50 Meta Bookshelf Loudspeakers deliver on every aspect of the KEF promise. A genuine industry first, LS50 Meta utilises innovative, ground-breaking technology to provide you with an immersive, completely believable sound from a compact, stylish loudspeaker that is destined to open up whole new vistas of enjoyment in your life
A result of joint development with the Acoustic Metamaterials Group, using Metamaterial Absorption Technology (MAT) breaks completely new ground in loudspeaker design, and once again demonstrates KEF’s unrelenting passion for developing new technologies to improve your listening experience. Metamaterials are specially developed structures that use existing materials in such a way that they exhibit new, desirable properties that are simply not found in naturally occurring substances.
A truly revolutionary tool in the KEF acoustic armory, MAT is a highly complex maze-like structure, where each of the intricate channels efficiently absorbs a specific frequency. When combined, the channels act as an acoustic black hole, absorbing 99% of the unwanted sound that comes from the rear of the tweeter, eliminating the resulting distortion and providing a purer, more natural acoustic performance.
The tweeter sits at the heart of our 12th generation Uni-Q with MAT driver array. The Uni-Q point source configuration delivers a more detailed, accurate and integrated three-dimensional sound image, which is dispersed so evenly throughout the room that the ‘sweet spot’ is wherever you are in the room.
Using simulation and analysis tools and decades of accumulated in-house knowledge, our engineers have developed a new iteration of KEF’s signature driver array, with a new cone neck decoupler and motor system that is precisely shaped to reduce high-frequency distortion in the mid-frequency driver. The result is reduced coloration, less distortion and a sound that is more transparent and life-like than previously possible.
The same can also be said of bass performance, where LS50 Meta completely exceeds the expectations of a modestly proportioned bookshelf speaker to deliver room-filling sound with deep, articulate bass.
Model LS50 Meta
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) 85 dB
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.)