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KEF Loudspeakers  - Engineered in the UK
Under Construction
Bookshelf Powered Speakers FLOOR STANDING HOME THEATER
R100        R300 LS50W Blade Two Reference 5 On-Ceiling and In-Wall

Blade Two   $25,000 Pair

BLADE TWO. Same DNA. Same striking aesthetic. Same advanced driver technology and unique single apparent source configuration. And above all, the same lush, phenomenally realistic sound.

Uncompromised Innovation
Like the original BLADE, BLADE TWO is based on the advanced materials and innovative technologies KEF developed to replicate the shattering performance of the prototype, and the same method of forming the sensuous parabolic cabinets. The drivers on both models share the sophisticated enhancements responsible for the concept's magical acoustics.

It's a spectacularly warm and expansive sound, wherever you sit. Seamless. Totally natural, even when played loud. Effortlessly accurate in every tiny detail, and as emotionally true as a live performance.

If you're into your music, you'll soon see that they years it took to make the dream a reality were well worth it.

BLADE & BLADE TWO
With all of BLADE's acoustic prowess and iconic design on a slightly smaller scale, BLADE TWO is easier to position where space is at a premium, and where BLADE's extreme bass extension would be superfluous. BLADE TWO, same DNA. Same striking aesthetic. Same advanced driver technology and unique single apparent source configuration. And above all, the same lush, phenomenally realistic sound. BLADE and BLADE TWO share a new architecture that achieves the ideal point source, with the four sophisticated bass drivers (225mm/9-in. for BLADE, 165mm/6.5-in. for BLADE TWO) configured so that their combined acoustic cent occupies exactly the same point in space as that of the Uni-Q HF/MF array so the sound appears to emanate from a single, flawlessly coherent source.


REFERENCE 5 Floorstanding Speaker - $9,500.
Gloss Piano Black Gloss Rosewood Satin Walnut Gloss Satin White
Copper Black Aluminum Center Ch Walnut & Rosewood REFERENCE 8b Subwoofer

KEF REFERENCE 5 exemplifies the passion for innovation that underpins THE REFERENCE design philosophy. For music or film, it reveals subtleties you'd never noticed while gripping your emotions with the full power of the performance.

Magnificent is the only word. KEF's passion for perfection embodied in a tall three-way floorstander that aligns four powerful, extremely linear 165mm (6.5 inch) bass drivers - two above and two below KEF's latest 125mm (5 inch) MF/HF Uni-Q array, with the sensational new 25mm (1 inch) vented aluminium dome tweeter at the acoustic centre. Lows are reproduced with consummate agility and control, fluidly integrating with the Uni-Q output to create an all-enveloping soundfield of spine-tingling accuracy and depth. For music or film, it reveals subtleties you'd never noticed while gripping your emotions with the full power of the performance.

The standard by which others are judged, and to which they aspire. The perfect reproduction of recorded sound is what KEF's legendary THE REFERENCE Series has always stood for. And after 40 years of continuous development, THE REFERENCE has earned its name as the yardstick of high-end acoustic engineering.

REFERENCE 5


Benchmark Technology
KEF has never been a 'me too'. We create. And we never stop learning. The list of KEF patents and innovations is unequalled. Although the Uni-Q point source driver array is our most famous breakthrough, it's just one of many. There's the unique 'tangerine' segmented waveguide. Cleverly stiffened and optimized aluminum domes. Sophisticated vented tweeters. The ingenious use of new materials to boost motor performance and power handling. Constrained layer damping. Acoustic Compliance Enhancement. The brilliant Z-flex surround - these and many others are what account for the reputation of KEF's multi-award winning drivers. No other manufacturer has done more to advance the state of the art - and no other range personifies KEF's passion for perfection more than The Reference.


R100 $1200.

The KEF R100 is a masterpiece in miniaturization. Fast, clean and agile, with a low-end performance you would expect from a speaker double its size or with a dedicated LF driver, the R100 has a brilliantly designed full range Uni-Q driver array that makes the smallest R Series bookshelf speaker an astonishing performer.

Specifications

PURE
Amazingly fast and clean mid-range response. Startlingly pure high frequencies. All operating as a single perfectly integrated voice to deliver sweet, accurate sounds of unprecedented clarity. KEF Uni-Q driver array is nothing short of a masterpiece. Unlike conventional speakers, the mid-range cones are rigid magnesium/aluminum constructions that reduce breakup problems. The new mid-range Z-flex surround smoothes the tweeter transition to the front baffle, which results in undistorted high frequencies. Large voice coils increase power handling and dynamics, reducing distortion and delivering exceptional vocal clarity.

Venting the tweeters reduces pressure behind the dome, increasing midrange bandwidth and lowering distortion. Upper registers are articulated with flawless precision. KEF’s tangerine waveguide helps disperse higher frequencies evenly across a wider angle to flood the room with a sophisticated, refreshingly natural sound field.

ACCESSIBLE
The R Series presents the high-end technologies of KEF Blade in a timeless, elegant format. Serious audiophiles can now enjoy phenomenally accurate reproduction that neither adds nor subtracts from the original recording. Indulge in a near THE REFERENCE experience at a price that will also be music to your ears. Refined, spacious and exquisitely detailed, you won't just hear music the way it was intended it to be. you'll live it, feel it and love it.

Specifications:
Design Two-way bass reflex
Drive Units Uni-Q driver array:
HF: 25mm (1in.) vented aluminum dome
LF/MF: 130mm (5.25in.) aluminum
Frequency Range 49Hz - 45kHz (-6dB)
Frequency Response 56Hz - 28kHz (±3dB)
Crossover Frequencies 2.5kHz
Maximum Output 107dB
Sensitivity 86dB (2.83v/1m)
Amplifier requirements 25 - 100 W
Harmonic distortion <0.4% 150Hz-20kHz
Nominal Impedance 8 Ohms (min.3.2 Ohms)
Harmonic distortion <0.4% 150Hz-20kHz
Dimensions 280 x 180 x 289 mm (11 x 7.1 x 11.4 in.) with grille and terminal
Weight 6.6kg (14.5lbs)


R300 - $1800.

Featuring the all-new Uni-Q driver array and a 6.5-inch LF bass driver, the three-way KEF R300 lacks for nothing. Its stylishly uncluttered appearance beautifully complements the fast and clean mid-range response, along with accurate and clean low-end frequencies. With dynamic, uncompressed and undistorted LF performance, the R Series R300 provides a clarity and realism many strive to emulate but few achieve.

Specifications

PURE
Amazingly fast and clean mid-range response. Startlingly pure high frequencies. All operating as a single perfectly integrated voice to deliver sweet, accurate sounds of unprecedented clarity. KEF Uni-Q driver array is nothing short of a masterpiece. Unlike conventional speakers, the mid-range cones are rigid magnesium/aluminum constructions that reduce breakup problems. The new mid-range Z-flex surround smoothes the tweeter transition to the front baffle, which results in undistorted high frequencies. Large voice coils increase power handling and dynamics, reducing distortion and delivering exceptional vocal clarity. Venting the tweeters reduces pressure behind the dome, increasing midrange bandwidth and lowering distortion. Upper registers are articulated with flawless precision. KEF's tangerine waveguide helps disperse higher frequencies evenly across a wider angle to flood the room with a sophisticated, refreshingly natural sound field.

Specifications:
Design Three-way bass reflex
Drive Units Uni-Q driver array:
HF: 25mm (1in.) vented aluminum dome
LF/MF: 130mm (5.25in.) aluminum
Frequency Range 49Hz - 45kHz (-6dB)
Frequency Response 56Hz - 28kHz (±3dB)
Crossover Frequencies 500Hz, 2.8kHz
Maximum Output 110dB
Sensitivity 88dB (2.83v/1m)
Amplifier requirements 20 - 120 W
Harmonic distortion <0.4% 150Hz-20kHz
Nominal Impedance 8 Ohms (min.3.2 Ohms)
Harmonic distortion <0.4% 130Hz-20kHz (90dB, 1m)
Dimensions 385 x 210 x 345 mm (15.2 x 8.3 x 13.6 in.) with grille and terminal
Weight 12kg (26.4lbs)

LS50W Powered Music System $2200.
KEF LS50W - Powered Music System Speakers

OBSESSED WITH HIGH RESOLUTION
LS50 Wireless is a complete, fully active music system designed to give you the absolute best digital music listening experience. Sharing the exact same acoustic features and performance as our renowned, award-winning LS50 passive speakers, the LS50 Wireless system lets you enjoy a level of sound quality previously only available in systems comprised of separate components costing hundreds, if not thousands of dollars more.

Specifications

The LS50 legacy
All of the acoustic features and innovations that set the LS50 apart from every other speaker in its class remain. The FEA-designed cabinet with its constrained layer damping bracing and precision engineered curved baffle, the Uni-Q driver and the elliptical flexible port all work in concert to prevent cabinet vibration and resonances that produce unwanted sound coloration putting you that much closer to how your favorite music was intended to sound.

A complete, fully active system
The LS50 Wireless features an end-to-end 192kHz/24-bit high-resolution digital signal path, a streaming pre-amplifier, and two separate DACs for each channel, for a total of four. Powered in the analogue stage by an incredibly fast and clean 230 Watts per channel in a bi-amp dual mono configuration, the LS50 Wireless is a complete, high-fidelity music system that will cost you far less than you spend putting together the separate components necessary to match the performance of the LS50 Wireless. LS50 Wireless gives you all of the connectivity options you'll need to get the most out of your music, including 2.4GHz/5GHz Dual-band Wi-Fi, Bluetooth 4.0 aptX, Asynchronous USB Type B, TOSLINK Optical, and RCA-type line-level analogue inputs. A dedicated LS50 Wireless app (available for iOS and Android) easily facilitates network setup, music streaming, playback and DSP control.

Uni-Q sound taken to the next level
To get the most out of your music, every note should arrive at your ears at exactly the right time. Before KEF perfected our Uni-Q technology, this perfect time alignment could only be experienced in a small sweet spot leaving listeners outside of the sweet spot with a less than ideal listening experience. Uni-Q changed that, opening up the optimum listening space to practically every spot in your room. The LS50 Wireless employs an advanced time correcting DSP crossover which takes that awesome achievement to the next level by correcting for inherent time delays introduced in the crossover stage. Amazing sound dispersion matched only by a live music performance is now attainable in virtually every room. This incredible achievement cannot be reproduced by any other active speaker.

Audiophile Grade System Configuration
Audiophile-grade sound means audiophile-grade technologies. LS50 Wireless delivers this with an array of sophisticated components built in. Through expert audio engineering, LS50 Wireless includes an end-to-end 192kHz/24-bit high-resolution digital signal path, dedicated DAC per channel, streaming pre-amplifier, and a 230-watt x2 amplification in a bi-amp dual mono configuration. All factory-optimised.
Specifications
Design

Two-way bass reflex

Drive Units

Uni-Q driver array:
HF: 25mm (1in.) vented aluminum dome
LF/MF: 130mm (5.25in.) magnesium/Alloy

Frequency Range

(-6dB) Measured at 85dB/1m
40Hz – 47kHz (More bass extension)
43Hz – 47kHz (Standard) 46Hz – 47kHz
(Less bass extension) Depending on speaker settings

Frequency Response (±3dB) Measured at 85dB/1m
45Hz – 28kHz (More bass extension)
50Hz – 28kHz (Standard)
61Hz – 28kHz (Less bass extension)
Depending on speaker settings

Maximum Output

106dB
Inputs 2.4GHz/5GHz Dual-band Wi-Fi network
Bluetooth 4.0 with aptX® codec
USB Type B
TOSLINK Optical
RCA Analog Line Level Input
10/100 Mbps RJ45 Ethernet (For network and service)

Output

Subwoofer output

Amplifier output power

LF: 200W HF: 30W

Bluetooth range

10m

Bluetooth Memory

8 devices
Resolution

up to 24 bit

Depending on source resolution

Sampling Rate Up to 192kHz (USB Type B)
Up to 96kHz (ToSLink Optical)
Depending on source resolution
Wi-Fi Network Standard   

IEEE 802.11a/b/g/n

Wi-Fi Network Frequency Band

Dual-band 2.4GHz/ 5 GHz

Supported Streaming Service

Tidal
Power Input    100 – 240VAC 50/60Hz

Dimensions

(H x W x D) 300 x 200 x 308mm(11.8 x 7.9 x 12.1in.)

Weight Left Speaker 10.0kg (22.0lbs.)
Right Speaker 10.2kg (22.5lbs.)



 
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