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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
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.
| Model |
Q550 |
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| Design |
Two and a half-way bass reflex |
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| Drive Units |
130mm (5.25in.) aluminium Uni-Q
25mm (1in.)vented aluminium dome HF
130mm (5.25in.) aluminium LF
2 x 130mm (5.25in.)aluminium ABR |
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| Frequency range free field |
45Hz (-6dB) |
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| Frequency Response |
58Hz-28kHz (±3dB) |
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| Crossover Frequencies |
2.5kHz |
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| Maximum Output |
110dB |
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| Amplifier requirements |
15-130W |
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| Sensitivity |
87dB (2.83V/1m) |
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| Nominal Impedance |
8 Ohms (min.3.5 Ohms) |
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| Dimensions |
H x W x D:
873 x 180 x 278 mm
926 x 299 x 310 mm (with Plinth) |
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| Weight |
14.5kg (32 lbs) |
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| Unit measurement |
Pair |
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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 |
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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Dimensions | Metric :6" W x 6" D x 48-1/2" H (with base) | 15.2 x 15.2 x 123.2 cm
Packaging :One to a carton
Height with Base | Metric :48-1/2" | 123.2 cm
Base Dimensions | Metric :10" W x 9-3/4" D | 25.4 x 24.8
Driver Complement :One 1" pure aluminum dome tweeter; Two 5-1/4" high definition midrange drivers; Two 5-1/4" high definition bass drivers; Two 5-1/4" pressure coupled bass radiators
Enclosure :Aircraft grade extruded aluminum
Frequency Response :20 Hz – 30 kHz
Recommended Associated Amplifier Power :20 – 250 watts
Available Finishes :Gloss Black
Weight | Metric :37 lbs | 16.8 kg
Impedance :Compatible with 8 Ohms outputs
Inputs :One pair of 5 way binding posts
Warranty :5 Years
A/V Receiver Crossover Setting :60 Hz
Accessories :Plastic Foot Tippers; Isolation Spikes
Sensitivity :92 dB
Base :Tempered Glass
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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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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)
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