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From the manufacturer
The remarkable Q Series bookshelf speakers excel when space is limited. Featuring the signature KEF Uni-Q driver array with Computational Fluid Dynamics (CFD) port design, the Q150s deliver detailed natural sound with high clarity and tight bass.
"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
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.
CFD Designed Port
Featuring a Computational Fluid Dynamics (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.
Q Series Optimised
To optimise the high resolution sonic image of these speakers we re-positioned the Uni-Q driver at the centre of the cabinet.This avoids any possibility of standing waves and reduces resonance within the enclosure. By facing the low frequency port to the rear we reduce the audibility of midrange leakage.
About KEF
Founded in 1961, KEF has been providing the world's audiophiles with unparalleled sound quality. KEF is at the cutting edge of field-leading acoustic research, and a standard for everyone else to live up to.
Innovation is what sets KEF apart. The results are plain for all to see… and hear.
Q150 Bookshelf Speaker
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Q350 Bookshelf Speaker
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Q550 Floorstanding Speaker
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Q750 Floorstanding Speaker
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Q950 Floorstanding Speaker
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Q250c Center Channel Speaker
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| Design | Two-way bass reflex | Two-way bass reflex | Two and a half-way bass reflex | Two and a half-way bass reflex | Two and a half-way bass reflex | Two-way bass reflex |
| Drive Units | 5.25 in. Uni-Q Driver Array | 6.5 in. Uni-Q Driver Array | 5.25 in. Uni-Q Driver Array / 5.25 in. Woofer / 2x 5.25 In. ABR | 6.5 in. Uni-Q Driver Array / 6.5 in. Woofer / 2x 6.5 In. ABR | 8 in. Uni-Q Driver Array / 8 in. Woofer / 2x 8 In. ABR | 5.25 in. Uni-Q Driver Array / 2x 5.25 In. ABR |
| Frequency Range Free Field (-6dB) | 47Hz | 42Hz | 45Hz | 42Hz | 38Hz | 57Hz |
| Frequency Response (±3dB) | 51Hz - 28kHz | 63Hz - 28kHz | 58Hz - 28kHz | 48Hz-28kHz | 44Hz-28kHz | 68Hz - 28kHz |
| Crossover Frequency | 2.5kHz | 2.5kHz | 2.5kHz | 2.5kHz | 2.2kHz | 2.5kHz |
| Amplifier Requirements | 10-100W | 15-120W | 15-130W | 15-150W | 15-200W | 10-100w |
| Sensitivity (2.83V/1m) | 86dB | 87dB | 87dB | 88dB | 91dB | 87dB |
| Maximum Output | 108dB | 110dB | 110dB | 111dB | 113dB | 108dB |
| Nominal Impedance | 8Ω (min.3.7Ω) | 8Ω (min.3.7Ω) | 8Ω (min.3.5Ω) | 8Ω (min.3.8Ω) | 8Ω (min.3.2Ω) | 8Ω (min.3.4Ω) |
| Dimension (H X W X D) | 11.92 inches x 7.08 inches x 10.944 inches | 14.25 inches x 8.26 inches x 12.04 inches | 36.45 inches x 11.77 inches x 12.20 inches | 38.46 inches x 12.71 inches x 12.20 inches | 43.93 inches x 14.05 inches x 12.91 inches | 7.24 inches x 20.66 inches x 8.42 inches |
Product information
| Mounting Type | Shelf Mount |
|---|---|
| Material | vinyl |
| Model Name | Q150B |
| Speaker Type | Bookshelf |
| Special Feature | Subwoofer, Remote Control |
| Recommended Uses For Product | For Computers, For DVD Players, For Music Players, For Surround Sound Systems, For Televisions |
| Compatible Devices | Laptop, Personal Computer, Smartphone, Tablet |
| Subwoofer Diameter | 13.34 Centimeters |
| Unit Count | 1.0 Count |
| Surround Sound Channel Configuration | 2.0 |
| Color | Black |
| Included Components | 2 Bookshelf Speakers |
| Product Dimensions | 11"D x 7.1"W x 11.9"H |
| Item Weight | 25 Pounds |
| Impedance | 8 Ohms |
| Is Waterproof | FALSE |
| Warranty Type | Limited |
| Maximum Range | 5 Meters |
| Number of Items | 1 |
| Control Method | Remote |
| Wireless Communication Technology | No wireless communication technology |
| Speaker Size | 5.25 Inches |
| Power Source | Corded Electric |
| Woofer Diameter | 5.25 Inches |
| Tweeter Diameter | 1 Inches |
| Water Resistance Level | Waterproof |
| Customer Package Type | Standard Packaging |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 5.25 Inches |
| Subwoofer Connectivity Technology | Wired |
| Series Number | 150 |
| Specific Uses For Product | Home Entertainment, In-Car Audio |
| UPC | 637203215681 |
| Style | Speakers |
| Indoor/Outdoor Usage | Indoor |
| Global Trade Identification Number | 00637203215681 |
| Manufacturer | KEF |
| Shape | Rectangular Prism |
| Set Name | 2 |
| Item Weight | 25 pounds |
| ASIN | B071P6KQZX |
| Item model number | Q150 |
| Best Sellers Rank |
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| Is Discontinued By Manufacturer | No |
| Date First Available | May 22, 2017 |
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KEF is a proud pioneer of excellence in sound.
Since 1961, from our UK home, we have created remarkable award-winning speakers.
KEF exists to fill rooms with music as it was made to be heard, to move souls with truly authentic soundscapes. Now, we're bringing more people with us on our journey to discover the power of great sound.
Now in our seventh decade, we're staying at the forefront of audio excellence.
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