KEF LS50 Meta in Geneva | Digistore.ch
KEF LS50 Meta in Geneva | Digistore.ch
KEF LS50 Meta in Geneva | Digistore.ch
KEF LS50 Meta in Geneva | Digistore.ch
KEF LS50 Meta in Geneva | Digistore.ch
KEF LS50 Meta in Geneva | Digistore.ch
    KEF LS50 Meta in Geneva | Digistore.ch
    KEF LS50 Meta in Geneva | Digistore.ch
    KEF LS50 Meta in Geneva | Digistore.ch
    KEF LS50 Meta in Geneva | Digistore.ch
    KEF LS50 Meta in Geneva | Digistore.ch
    KEF LS50 Meta in Geneva | Digistore.ch

KEF LS50 Meta | Bookshelf Speaker (piece)

64256
CHF749.50 Tax included
Supplier stock – typically 4 to 7 days
KEF LS50 Meta, two-way bass-reflex bookshelf speaker, sold individually. Its Uni-Q tweeter with metamaterial absorption removes 99% of the rear high-frequency energy, which holds the stereo image even off axis.
Color : Blue
Quantity
Add to wishlist
Supplier stock – typically 4 to 7 days

The minimum purchase order quantity for the product is 2.

KEF LS50 Meta speakers either side of a turntable in a living room

Metamaterial absorption

A tweeter radiates as much energy backwards as forwards. Behind the one in the LS50 Meta, KEF has placed a Metamaterial disc pierced with channels of differing lengths, each tuned to a frequency: the rear wave enters, falls out of phase and dissipates as heat. 99 % of that high-frequency energy never returns to the cone, where it would add itself to the signal as colouration. What is left is what the musician played.

Pair of sand beige speakers on floor stands facing an armchair

Twelfth-generation Uni-Q

The 25 mm tweeter does not sit beside the bass-midrange driver, it occupies the acoustic centre of the 130 mm aluminium cone. Both sources therefore leave from the same point, and the stereo image holds when you move off axis: at a desk, on an off-centre sofa, in a room where nobody ever listens dead centre. The crossover hands over at 2.1 kHz.

White speakers on stands framing a desk with a screen and a guitar

Progressively flared port

A conventional port whistles as soon as the air flow rises. This one flares along its whole length and spreads the turbulence instead of concentrating it at the mouth. The measured curve goes down to 47 Hz at −6 dB, 26 Hz in typical in-room response, and harmonic distortion stays under 0.1 % between 300 Hz and 10 kHz — the midrange does not blur when the level climbs.

Black speakers built into a wall bookcase with a CD player

Load and installation

85 dB of sensitivity and an impedance falling to 3.5 Ω: this speaker calls for an amplifier that holds the load, between 40 and 100 W per channel. The cabinet weighs 7.8 kg for 302 × 200 × 280.5 mm, compact enough for a bookshelf, heavy enough to stay in place. Threaded inserts under the base take the S2 floor stand, sold separately, and two port bungs come with the pair to close the port when the rear wall is too close.

64256

Data sheet

Product Type
Bookshelf Speaker
Nominal impedance
8 Ω (minimum 3.5 Ω)
Sensitivity
85 dB (2.83 V / 1 m)
Width
20.0 cm
Depth
28.1 cm
Height
30.2 cm
Unit weight
7.8 kg

Specific References

UPC
64256
EAN13
0637203217869
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