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.

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

Dimensions | Metric :5-7/16" W x 4-1/4" D x 25-1/4" H | 13.8 x 10.8 x 64.1 cm
Height with Base | Metric :26-5/8” | 65.1 cm
Base Dimensions | Metric :8” W x 6” D | 20.3 x 16.5 cm
Driver Complement :One 1" pure aluminum dome tweeter; Two 4-1/2" high definition upper bass/midrange drivers; Two 4-1/2" pressure coupled bass radiators
Frequency Response :45 Hz – 30 kHz
Impedance :Compatible with 8 Ohms outputs
Sensitivity :91 dB
Recommended Associated Amplifier Power :10 – 200 watts
A/V Receiver Crossover Setting :100 Hz
Inputs :One pair of 5 way binding posts
Enclosure :Aircraft grade extruded aluminum
Available Finishes :Gloss Black
Base :Tempered Glass
Mounting Options :Vertically Only: On Shelf with included glass base; On wall with included flush mounting bracket
Accessories :Wall bracket; Glass Base
Packaging :One to a carton
Weight | Metric :15 lbs | 6.8 kg
Warranty :5 Years

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)

Two way, double reflex
2 x Woofer 130 mm.
Covered paper, double magnet
Tweeter 24 x 50 mm.
Isodynamic mylar diaphragm
Impedance: 8 Ohm (min. 6,5)
RMS Power: 100 W
MAX Power: 150W
Efficiency: 90 dB/W/1m
Dimensions: 170x1080x260mm.
Weight: 17 Kg.
Finish: rosewood, black oak

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)