KEF Q550 Floor Speaker 2 and 1/2 Way 15-130W 87dB 5.25inch Black

“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
The Q550 is the smallest floorstander in the Q Series line. Featuring KEF\'s signature Uni-Q driver array paired with a 130mm (5.25 inch) aluminium bass driver and two matching ABRs, the Q550 delivers a phenomenal audiophile performance with clarity, scale, and controlled bass. Great for large or small rooms the Q550 is available in Satin Black or Satin White finishes. Priced as a pair.

System Format: 3 Way
Frequency Response: 30 Hz - 60 kHz
Sensitivity (1W@1M): 90 dB
Nominal Impedance: 8 ohms
Maximum S.P.L
(Per pair in room): 116.8 dBA
Power Handling (RMS): 200 W
Recommended Amplifier Requirements (RMS): 100 - 200 W
Bass Alignment: Bass reflex. HiVe port system
Crossover Frequency: L.F - M.F: 790 Hz
M.F - H.F: 2.3 kHz
Drive Unit Compliment: 2 x 6.5" RST bass driver
1 x 4" RST mid-range driver
1 x C-CAM H.F ribbon transducer
External Dimensions excl Stand (H x W x D)

1060 x 210 x 330 mm
(41 3/4 x 8 1/4 x 13 inch)
Weight (each) Excluding stands: 27.2 Kg (59.9 lbs)

AVAILABLE IN SIX COLOR FINISHES

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.

Twin Ported HiVe® II technology
Sealed Mid-range TLE®
2 x 8" long-throw RDT® bass drivers
1 x 4" RDT® mid-range driver
1 x C-CAM® high frequency ribbon transducer
All cabinet finishes have hand-upholstered front baffles in Ingleston Black premium grade leather
Finish options: Santos Rosewood veneer with clear gloss piano lacquer
Ebony veneer with clear gloss piano lacquer
Piano black gloss


Frequency Response: 28 Hz - 100 KHz
Sensitivity (1W@1M): 90 dB
Nominal Impedance:
4 Ohms
Maximum S.P.L
(Per pair in room): 118.6 dBA
Power Handling (RMS): 300 W
Recommended Amplifier Requirements (RMS): 100 - 300 W
Bass Alignment: Twin Ported HiVe II Technology
Sealed Mid-range TLE
Mid / H.F Crossover Frequency: 4000 Hz
Bass Low Pass Crossover Frequency: 550 Hz
Driver Unit Complement: 2 x 8" long throw RDT bass drivers
1 x 4" RDT mid-range driver
1 x C-CAM high frequency ribbon transducer
External Dimensions -
Including Fixed Plinth & Feet
(H x W x D): 1113 x 410 x 470 mm
(43 13/16 x 16 1/8 x 18 1/2)
Weight (each) including Plinth:
43.8Kg (96.4lbs)

User's Manual

AVAILABLE IN THESE COLOR FINISHES

PRICE PER SPEAKER

Specifications

System Format: 3 Way
Frequency Response: 35 Hz - 60 kHz
Sensitivity (1W@1M): 89 dB
Nominal Impedance: 8 ohms
Maximum S.P.L
(Per pair in room): 114.5 dBA
Power Handling (RMS): 150 W
Recommended Amplifier Requirements (RMS): 100 - 150 W
Bass Alignment: Bass reflex. HiVe port system
Crossover Frequency: L.F - M.F: 400 Hz
M.F - H.F: 2.6 kHz
Drive Unit Compliment: 2 x 5.5" RST bass driver
1 x 4" RST mid-range driver
1 x C-CAM H.F ribbon transducer
External Dimensions excl Stand (H x W x D)

951 x 170 x 300 mm
(37 7/16 x 6 11/16 x 11 13/16 inch)
Weight (each) Excluding stands: 22.2 Kg (48.9 lbs)