"Sit anywhere" Uni-Q Sound

At the heart of the evolved Q Series is the Uni-Q driver array. KEF's signature innovation places the tweeter in the acoustic center of the midrange cone, bringing the acoustic ideal of a single point source closer than ever to realisation. The result is a more detailed, more accurate three-dimensional sound image, which is dispersed more evenly throughout the room than is possible with a conventional speaker. Uni-Q's ultra-wide dispersion is further enhanced by KEF's 'tangerine' waveguide over the tweeter dome

 

KEF Q Series Uni-Q Driver

Uni-Q sound taken to the next level

With the addition of the damped tweeter loading tube providing a gentle termination of sound produced from the back of the tweeter, lower treble performance is improved dramatically and a new low-distortion inductor on the crossover provides cleaner bass.
To optimize the resolution and purity of the Q Series bookshelf speakers, the Uni-Q driver has been repositioned to the center of the cabinet to reduce unwanted internal resonance and adds refinement to their sonic clarity and detail.

KEF Q Series Uni-Q Driver Updates

CFD Designed Port

Featuring a Computational Fluid Dyanmics (CFD) port design with the port repositioned to the rear of the speaker, clarity is improved by reducing the audibility of the midrange leakage through the port. The geometry of the ports have been tuned to minimize turbulence at higher levels resulting in a reduction in port noise and less LF compression.

KEF LS50 Wireless Crossover Timing Correction

Model Q350 Bookshelf Speaker
Design Two-way bass reflex
Drive Units Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
LF/MF: 165mm (6.50in.) aluminium Uni-Q
Frequency Range Free Field (-6dB) 42Hz
Frequency Response (±3dB) 63Hz - 28kHz
Crossover Frequency 2.5kHz
Amplifier Requirements 15-120W
Sensitivity (2.83V/1m) 87dB
Maximum Output 110dB
Nominal Impedance 8Ω (min.3.7Ω)
Weight 7.6kg (16.8 lbs)
Dimension (H X W X D) 358mm (14.09 inches) x 210mm (8.26 inches) x 306mm (12.04 inches)
Dimension (H X W X D) *with Rubber Feet 362mm (14.25 inches) x 210mm (8.26 inches) x 306mm (12.04 inches)

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