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The world s first Single Apparent Source speaker

The world's first Single Apparent Source speaker, now with 12th generation Uni-Q ® with MAT™. A bespoke driver array engineered to deliver pristine performance, and capable of raising Blade to new heights of performance. Featuring four 225mm (9 in.) force-cancelling bass drivers, Blade One Meta is the top model in the Blade series.



Uncompromised Innovation
Obsessed with sound quality and committed to bringing a superior listening experience, our engineers created the revolutionary Concept Blade to showcase KEF s technology leadership and powers of innovation with no preconceptions and restrictions. Since then, we keep pushing the boundaries of HiFi to create the loudspeaker with the best possible sound.

Uniquely KEF. Uniquely coherent.
At the heart of Blade lies Single Apparent Source technology; a unique technology that makes the Blade incredibly coherent, with noticeably more precise imaging. The latest version of Blade benefits from our latest acoustic innovation of the 12th generation Uni-Q ® with Metamaterial Absorption Technology (MAT™).

Engineered and handcrafted in UK
Since 1961, we have been creating remarkable award-winning loudspeakers at our UK home in Maidstone, Kent. As our flagship HiFi speakers, Blade is still being designed, engineered, and handcrafted in Maidstone.

Listen and believe
The proof is in the listening. Hearing Blade in all its glory is the only way to appreciate exactly what this loudspeaker is capable of.

Design Three-way bass reflex
Single apparent source
Drive units Uni-Q driver array:
HF: 25 mm (1 in.) aluminium dome with MAT
MF: 125 mm (5 in.) aluminium cone

Bass units:
LF: 4 x 225 mm (9 in.) aluminium cone,
force cancelling
Frequency range free field (-6dB) 27Hz - 45kHz
Frequency range typical in room
bass response (-6dB)
20Hz
Frequency response (±3dB) 35Hz - 35kHz
Crossover frequency 350Hz, 2kHz
Amplifier requirements 50-400W
Sensitivity (2.83V/1m) 88dB
Harmonic distortion 2nd and
3rd harmonics (90dB, 1m)
<0.5% 40Hz - 100kHz
<0.2% 200Hz - 2kHz
<0.1% 2kHz - 20kHz
Maximum output (SPL)
(peak sound pressure level at 1m
with pink noise)
117dB
Impedance 4 Ω (min. 2.8 Ω)
Weight 57.2 kg (126 lbs.)
Dimensions - with plinth (H x W x D) 1590 x 363 x 540 mm (62.5 x 14.3 x 21.2 in.)
Standard finishes Piano Black/Copper, Piano Black/Grey, Frosted Blue/Blue, Frosted Blue/Bronze, Charcoal Grey/Red, Charcoal Grey/Bronze, Racing Red/Grey, Arctic White/Champagne

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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

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