Today's a big day for KEF, who (following a teaser last October) has just announced not one but two updated speaker series – including its flagship offering, no less.
Yes, the KEF Blade is now entering its next generation, still two models strong with the Blade One Meta and Blade Two Meta replacing the 2011-released predecessors. Meanwhile, The Reference range – comprising two three-way floorstanders, a three-way standmounter, and two three-way centre speakers – has also been refreshed to bear the Meta name.
MAT technology works alongside KEF's bespoke 12th-generation Uni-Q driver in every model. And a new motor design aims to lower midrange distortion as well as reduce thermal compression, improving efficiency.
In the Blade, KEF's Single Apparent Source technology extends the driver array in an effort to achieve consistency across the wide range of mid-to-high frequencies that Uni-Q handles, while in The Reference speakers, the company's patented tangerine waveguide technology helps to create wide, even dispersion.
KEF says the Blade's four low-frequency drivers work perfectly in conjunction with the Uni-Q and MAT array. They are mounted back-to-back to avoid exciting - yes, exciting - the cabinet during high playback volumes, with each pair housed in a separate chamber to reduce the need for damping. The crossover design has been enhanced, and by decoupling the voice coil from the diaphragm, KEF has been able to use low order crossovers for "purer, silkier bass response".
The Reference speakers' Uni-Q driver is also aided by bass drivers, which KEF has implemented with a vented magnet assembly, large aluminium voice coil and an "exceptionally light and stiff" alloy cone.
We'd be remiss not to mention the Blade's striking physicality, which sees the front radius taper from top to bottom and from front to rear. The parabolic curves of acoustically inert cabinets have been engineered to best eliminate standing waves that might mar the sound. Each tower is hand-built by the company in Kent, UK, and complementing that unique geometry is a choice of eight finishes, created by blending five cabinet colours with six colours for the driver cones. And from the summer, customisable finishes will be available.
The Reference cabinets have benefitted from finite element analysis to determine their optimum shape and bracing to reduce side-firing radiation, while KEF has also chosen a dampening method that turns vibrations into heat. Five finishes are available this time by blending three cabinet finishes with five driver cone colours.
So, prices... The Blade One Meta and Blade Two Meta cost a cool £30,000 and £22,500 respectively. The more modest Reference speakers (named Reference 1 Meta through to 5 Meta) range from £4750 to £17,500, with the S-RF1 Floor Stand (£1000) and REF 8b Subwoofer (£6000) optional extras.
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