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KEF THE REFERENCE 1 in Deep Piano Black

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THE REFERENCE 1 in Deep Piano Black


Sales restrictions may apply. Please contact us for more information.

Passive Products: 5 Year Warranty | Electronic Products: 1 Year Warranty

THE REFERENCE 1 in Deep Piano Black

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THE REFERENCE: the standard by which others are judged, and to which they aspire.

The perfect reproduction of recorded sound is what KEF's legendary 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.

If you're a perfectionist when it comes to enjoying movies or music, it's the one name that towers above the rest.

The Reference. It speaks for itself.

“A description was needed to convey the idea that every loudspeaker is subject to scrutiny at all stages of assembly, culminating in a final test comparison with a laboratory-maintained reference standard. So the method became the name: Reference.”

- Laurie Fincham, Engineering Director 1968-1991

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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 optimised aluminium 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 model personifies KEF's passion for perfection more than The Reference.

A Class Apart

With five models - two elegant three-way floorstanders, a formidable three-way bookshelf speaker, a three-way centre channel and an awesome 1000-watt sub - The Reference range combines benchmark high fidelity with complete multichannel versatility. And as you’d expect, they all exude the sense of sheer quality that comes from being hand built by KEF’s master technicians in Maidstone, Kent.


  • Uni-Q
  • driver array
  • Bass
  • drivers
  • Composite
  • front baffle
  • Flexible port
  • technology
  • Crossover
  • design
  • Cabinet
  • design
  • Plinths
  • and stands

At the heart of The Reference is a stunning new iteration of KEF’s landmark innovation: the Uni-Q point source MF/HF driver array. With a state-of-the-art 25mm (1in.) vented

Kent Engineering and Foundry Editions

When Raymond Cooke set out to perfect the reproduction of recorded sound in 1961, he set up his first research lab on the banks of the river Medway in the garden of England in a wartime Nissen hut formerly occupied by Kent Engineering and Foundry. Hence the name: KEF.

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To celebrate KEF's unrivalled heritage of continuous innovation in the half century since, and the part that the legendary Reference Series has played over the last 40 years in consolidating KEF's reputation among serious audiophiles, we've commissioned two bespoke editions of the latest range.

With two striking special finishes - Blue Ice White, hinting at the blue of the original KEF logo, and Copper Black Aluminium - the Kent Engineering & Foundry editions combine the latest Reference technology with an aesthetic that subtly evokes this rich pedigree.

Product Details
Brand KEF
Color Deep Piano Black
Condition Notes

Sales restrictions may apply. Please contact us for more information.

Warranty Passive Products: 5 Year Warranty | Electronic Products: 1 Year Warranty
Weight (lb) 40.1200
Height (In) 17.32
Width (In) 8.07
Length/Depth (In) 16.93
Weight (Kg) 18.2
Height (mm) 440
Width (mm) 205
Length/Depth (mm) 430

All the jaw-dropping performance and innovative engineering pioneered for the critically acclaimed LS50 studio monitor, and then some. Reference 1 pairs KEF’s latest 125mm (5 inch) MF/HF Uni-Q driver array with the sensational new 165mm (6.5 inch) alloy cone bass driver to create a compellingly realistic sound stage out of all proportion to its size. Mounted on shelves or stands, Uni-Q’s inherently wide, even dispersion also makes it the perfect rear channel speaker in a home theatre system that effortlessly reveals all the subtleties encoded in modern soundtracks.

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Design Three-way Bass Reflex
Drive Units Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units:
LF: 1 x165mm (6.5in.) aluminium
Frequency range free field (-6dB) Short port: 40Hz - 45kHz
Long port: 37Hz - 45kHz
Frequency range typical in room bass response (-6dB) 30Hz
Frequency response (±3dB) 45Hz – 35kHz
Crossover frequency 350Hz, 2.8kHz
Amplifier requirements 50-200W
Sensitivity (2.83V/ 1m) 85dB
Harmonic distortion
2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz – 100kHz
<0.2% 200Hz – 10kHz
Maximum output
(peak sound pressure level at 1m with pink noise)
111 dB
Impedance 8Ω (min. 3.2Ω)
Weight 18.2kg (40.1lbs.)
Dimensions (H x W x D)
(with grille and terminal)
440 x 205 x 430 mm
(17.3 x 8.1 x 16.9 in.)
Finishes Deep Piano Black, Satin American Walnut, Luxury Gloss Rosewood


The bespoke floor stands for the Reference 1 share the same handsome design aesthetic and careful attention to detail as the loudspeakers themselves.

• Reference 1 can be securely bolted to the stand for maximum rigidity

• Integrated spirit-level helps achieve perfect adjustment and positioning

• Discreet cable management system

• The upright vertical can be filled with your choice of inert material for greater stability and acoustic damping

• The same Reference precision-engineered spike set to prevent any vestigial cabinet vibrations from being transmitted through the floor of the listening area
Stand Dimensions (H X W X D)
537 X 324 X 409mm
Satin Blackt

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