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“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.
Uni-Q sound taken to the next level
The closed box midrange cabinet design reduces the load on the Uni-Q midrange cone, increasing clarity and detail while delivering cleaner, punchier bass.
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 response.
Redesigned Bass Drivers
Low-frequency (LF) drivers now have a larger roll surround, along with a new spider suspension to produce cleaner bass at high volumes. A new cone structure improves midrange clarity, and an enhanced Auxiliary Bass Radiators (ABRs) with a new surround and rear suspension delivers better controlled and more impressive bass.
Redesigned Bass Drivers
Low-frequency (LF) drivers now have a larger roll surround, along with a new spider suspension to produce cleaner bass at high volumes. A new cone structure improves midrange clarity, and an enhanced Auxiliary Bass Radiators (ABRs) with a new surround and rear suspension delivers better controlled and more impressive bass.
Floorstanders Q950 is the flagship model of the Q Series range, featuring the KEF signature Uni-Q driver array paired with 200mm (8 inch) long-throw bass driver and matching ABRs. With the latest enhancement in acoustics and design, Q950 brings high resolution sound with extraordinary depth and exceptional clarity. Priced as a Pair speaker.
Model |
Q950 |
Design |
Two and a half-way bass reflex |
Drive Units |
200mm (8in.) aluminium Uni-Q 38mm (1.5in.)vented aluminium dome HF 200mm (8in.) aluminium LF 2 x 200mm (8in.)aluminium ABR |
Frequency range free field |
38Hz (-6dB) |
Frequency Response |
44Hz-28kHz (±3dB) |
Crossover Frequencies |
2.2kHz |
Maximum Output |
113dB |
Amplifier requirements |
15-200W |
Sensitivity |
91dB (2.83V/1m) |
Nominal Impedance |
8 Ohms (min.3.2 Ohms) |
Dimensions |
H x W x D: 1062 x 244 x 328 mm 1116 x 357 x 328 mm (with Plinth) |
Weight |
20.6kg (45.4 lbs) |
Unit measurement |
Pair |
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Recommended Usage Front Speakers
Type 3-Way Bass Reflex Design
Woofers Dual 8" PMD Cone
MidRange Driver 5" Cone With Waveguide Horn
Tweeters 1" Aluminum Dome With Waveguide Horn
Magnetic Shielding Yes
Twin Bass Reflex Ports Single Port
Gold-Plated Brass Extruded Terminals Bi-Wiring Terminals
Frequency Response 30 Hz - 35 kHz
Sensitivity 89 dB/2.83 V/1 m
Input Power (Maximum / Nominal) 250W / 100W
Impedance 6 Ohms
Product Dimensions (W x H x D) 10-7/8" x 43-5/16" x 15-3/8“
Product Weight (lbs. each) 53.7
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The largest speaker in the 600 Series. This floorstander is ideal for audiophile stereo and home theatre applications in larger rooms, delivering serious performance and amazing value.
The 683 S2 features a Decoupled Double Dome tweeter - technology evolved from Bowers & Wilkins CM10 speaker. The double dome design uses an extremely thin aluminium dome for lightness, surrounded by a thicker aluminium ring for rigidity. The result is a far more precise treble performance. And while the tweeter looks like it's part of the main speaker, it's physically separated in its own gel-filled cavity, so performance isn't hit by unwanted resonances or vibrations, for a more natural, spacious sound.
Serious and accurate bass performance is equally vital to such a room-filling speaker. That's why the 683 S2 features a new bass driver construction method, using a similar method of bracing to the tweeter with twin layers of aluminium. The richer, distortion-free bass response is sumptuous.
As well as new bass driver construction techniques and a new tweeter, brought in from Bower & Wilkins high-end series, the 683 S2 also boasts an FST Kevlar midrange driver. Serious technology, serious performance, but seriously affordable for a speaker of this calibre.
Woven Kevlar | Yes | Crossover Tuning | Yes | Nautilus Tapering Tube | Yes | Flowport | Yes | Mushrooms | Yes | FST | Yes | Technical features | Decoupled Double Dome aluminium tweeter with NautilusTM tube loading
Kevlar® brand fibre cone FSTTM midrange driver
Dual-layer aluminium cone bass driver
FlowportTM | Description | 3-way vented-box system | Drive units | 1x ø25mm (1 in) aluminium dome high-frequency
1x ø150mm (6 in) woven Kevlar® cone FSTTM midrange
2x ø165mm (6.5 in) aluminium cone bass | Frequency range | -6dB at 30Hz and 50kHz | Frequency response | 52Hz - 22kHz ±3dB on reference axis | Dispersion | Within 2dB of reference response
Horizontal: over 60º arc
Vertical: over 10º arc | Sensitivity | 89dB spl (2.83V, 1m) | Harmonic distortion | 2nd and 3rd harmonics (90dB, 1m)
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Frequency Response: 48 Hz - 35 KHz Sensitivity (1W@1m): 90 dB Nominal Impedance: 8 Ohms Power Handling Single (RMS): 100 W System Power Handling (RMS): 150 W Recommended Amplifier Requirements: 20 - 150 W Maximum SPL (dBA): 108 Bass Alignment: Front and rear ported Drive Unit Complement: 2 x 100mm (4“) MMP®II cone bass/mid driver. 1 x 25mm (1“) C-CAM® gold dome tweeter External Dimensions (H x W x D): mm (inches) 1000 x 125 x 140 mm (39 3/8 x 4 15/16 x 5 1/2) (Without spikes) Weight (each): Kg (lbs) 10.2 (22 1/2) User's Manual
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2 x 6 ½ ¨ Polymer/Mica Cone
with Rubber Surround
1 x 1¨Silk Polymer Composite
Dome
Amplifier Power 20-250 W/ch
Impedance 8 Ohms
Sensitivity 90dB
Dimensions 102 x 22 x 40
ALSO AVAILABLE IN CHERRY COLOR
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Three way, bass-reflex
Sub-woofer 200 mm.
coated paper
Mid-woofer 130 mm. paper
Tweeter 28 mm. soft dome
coated silky fabric
Impedance: 6 Ohm (min. 4)
RMS Power: 120 W
MAX Power: 200 W
Efficiency: 90 dB/W/1 m
Dimensions: 325x385x1130 mm.
Net weight: 26 Kg.
Finish:
cherrywood, metallized mat grey
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