Item Description
Making The Back Sound As Good As The Front
As the dipole rear effects speaker for the iQ Series, the two 5.25" Uni-Q arrays in the heavily braced curved cabinets of the iQ8ds disperse atmospheric effects encoded in digital soundtracks evenly throughout the listening area to create a sense of place so real, you can almost touch it. Perfectly timbre-matched to the rest of the range, transitions are seamless and the detailing impeccable. A simple keyhole mounting system allows effortlessly quick wall installation. Sit back and enjoy.
What You Can Expect From KEF
Your satisfaction is a foregone conclusion with the KEF iQ8ds dipole rear surround speakers. You'll be blown away--or at least buffeted by the strong winds you'll hear from behind you while listening to movies like Twister . Combining the latest 5.25" Uni-Q mid/HF array with dipole technology, you're on the business end of serious background effects, and with KEF's massive internal bracing, none of the LF distortions that can affect speakers. The dipole setup (signals firing out of phase), plus twin, balanced Faraday loops above and below the coil, ensure perfect symmetry of the flux profile, constant coil inductance with position, and greatly reduced flux modulation. The top Faraday loop also assists in heat dissipation from the motor system. The open chassis design and vented cones minimize trapped air noise. A prodigious acoustic performer with the power to keep you on the edge of your seat, the iQ8ds is an investment in pure pleasure.
Acoustic Intelligence
Acoustic intelligence--that's the best way to describe what KEF engineers have applied to create their newest line of iQ rear surround speakers. From the second you spot the soft sheen of titanium on the Uni-Q Array driver cones, you know you're in for something special. And you won't be disappointed. Restless, despite being one of the best, KEF has made improvements to every aspect of its trademark Uni-Q technology. With new cone materials and surrounds. Redesigned magnet structures. New, state-of-the-art voice coils. Higher specification components. More rigid chassis and cabinets. The result of all these innovations is plain to hear. Power handling and sensitivity are better than ever. iQ plays loud and true, with even clearer vocals than its illustrious predecessor. Even gutsier and more tightly controlled bass. And, of course, the impeccable extended bandwidth response you need to get the most out of the latest digital audio and home theatre formats. As every model in the range is voiced for a perfect tonal match, the 3-D soundscape is so seamlessly integrated that everyone in the room gets the full benefit, wherever they sit. Breathtaking is the only word to describe it.
Uni-Q Array Explained . . .
KEF's iQ series incorporates Uni-Q technology, something originally designed for one of the world's finest speaker models, KEF's legendary Reference Series. With each generation of speakers, KEF expands on and improves their Uni-Q offerings. The Uni-Q concept is based on using aerospace materials to make the tweeter small enough to place at the acoustic center of the bass/midrange cone. With both drive units on exactly the same axis and sharing the same waveguide, they behave as a single point source that projects a more natural sound image over a much larger area than the usual tiny sweet spot.
And Explained . . .
The Uni-Q configuration eliminates the inherent problems of having the separate midrange and high frequency drive units of a conventional speaker. As loudspeaker radiation varies according to frequency, low frequency and high frequency drivers have intrinsically different radiation patterns whose directivity, known as Q , changes at the crossover frequency. Interference, or lobing , between the two units causes a dip in power response around this frequency, with a peak above it due to their differences in directivity. These factors introduce colorations that muddy the sound image. You get no such problems with Uni-Q. Being coincident and perfectly time-aligned, the directivity of both LF and HF units is controlled by the profile of the midrange cone, with no possible path or phase differences between the two, and no lobing interference at the crossover. In other words, the Q is unified --hence the name Uni-Q. So instead of narrowing toward the crossover and then widening again as is the case with separate drive units, the Uni-Q radiation pattern remains stable. Power response is uniform, with smoother variations on- and off-axis. The acoustic image is better balanced and more natural sounding across both direct and reverberant fields. Multichannel imaging is noticeably clearer and more accurate.
. . . And Interpreted
No matter where you put the speakers, and no matter where you sit, you'll get the same rich sound. No more bolting everything in place to make sure you're located at the optimal listening spot. All the notes, tones, pitches, and sounds the speakers have to offer travel in a group so you hear them all evenly, everywhere. It's almost enough to make a person tear up.
KEF WARRANTY INFORMATION
All KEF products are precision engineered and should give years of enjoyment. However, in the unlikely event service should be required, passive KEF products are warranted against FAULTY MATERIAL AND/OR WORKMANSHIP for a period of 5 (FIVE) years from the date of original purchase. Custom Installation (Ci) models are warranted for a period of 2 (TWO) years for both passive and motorized models.
Active Electronics are guaranteed against FAULTY MATERIAL AND/OR WORKMANSHIP for a period of 1 (ONE) year from the date of original purchase. Note: Subwoofers contain passive elements and active electronic elements, active elements are warranted for a period of 1 year and the passive components are warranted for a period of 5 years on such models.
All warranties are subject to the following restrictions:
This warranty is only valid in the country of purchase and applies to the first purchaser only. That the equipment has not been disassembled, modified or tampered with by any person other than an expressly authorized representative of GP Acoustics (US) Limited. That the equipment has not been abused or operated in conjunction with unsuitable, inappropriate or faulty apparatus. That the equipment has not suffered mechanical damage or damage in transit. That the Serial Number label(s) have not been defaced or removed.
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