Configure Reference 1 Ultimate Bookshelf Speaker Pair
Reference 1 Ultimate Bookshelf Speaker Pair
Only the finest dealers are approved to offer this product. Your purchasing experience should be worthy of a loudspeaker such as this, and should come with matching levels of service and support.
Reference 1 pairs KEF’s latest 5in. MF/HF Uni-Q driver array with the sensational 6.5in. alloy cone bass driver to create a compellingly realistic sound stage out of all proportion to its size.
Priced as MATCHED PAIRS.
Note: All Reference products are special order and hand made to order. Expected build time is 4-12 weeks on all standard finishes.
|Uni-Q Driver Array
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 aluminium dome tweeter at the exact acoustic center of a highly sophisticated 125mm (5in.) mid range driver, both act as a single source that floods the listening space evenly with a flawless natural sound field, no matter where you sit. Capturing all the nuances of the human voice, whether whispered, spoken or sung, it sounds as if the person were right there with you in the room. 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 theater system that effortlessly reveals all the subtleties encoded in modern soundtracks.
Clean, rich and articulate bass grounds your enjoyment of stereo or multi-channel sound, and like everything else about The Reference, KEF’s new 165mm (6.5 inch) LF driver is in a class apart. With a massive vented magnet assembly and a large aluminium wire voice coil driving an exceptionally light, stiff and strong alloy cone, the dynamics and power handling are superb. Played loud or soft, in delicate passages or for full-on bass effects, the combination of advanced materials and clever engineering delivers deeply rewarding lows that blend seamlessly with Uni-Q’s immaculate mid range and treble response.
The Reference drivers are set in a smooth, strikingly distinctive front baffle engineered to eliminate response anomalies caused by diffraction. Made from an exceptionally strong laminated aluminium/resin composite and secured via high-loss pads and high tensile bolts, it adds tremendous rigidity to the inert cabinet. Finished by hand in pair-matched wood veneers to complement the composite front baffle, the shape and bracing geometry of the cabinets are computer-optimized to minimize secondary radiation from the cabinet walls and distortion from standing waves. With constrained layer damping to absorb residual vibrations, they’re engineered to eliminate any panel resonance, stray reflections or box coloration effects that would compromise the purity of the sound.
|Flexible Port Technology
The flexible port technology pioneered for the multi-award winning LS50 is used to reduce mid range port resonance, with the flare and profile of each port calculated by computational fluid dynamics to avoid turbulent air noise that might color the sound.
The Reference has innovative adjustable ports for fine-tuning the bass output to your personal taste and the room characteristics providing the ultimate flexibility for any room.
KEF engineers computer-modeled the ideal crossover networks before exhaustively auditioning every high grade component, individually and together, to select those with the lowest distortion and the smoothest response. Perfectionism takes time, but the difference is plain to hear. Nothing is overlooked - Reference crossovers are even mounted on separate boards and decoupled from the cabinet walls to minimize vibration and crosstalk.
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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
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|
|Sensitivity (2.83V/ 1m)||85dB|
2nd & 3rd harmonics (90dB, 1m)
|<0.5% 40Hz – 100kHz
<0.2% 200Hz – 10kHz
(peak sound pressure level at 1m with pink noise)
|Impedance||8Ω (min. 3.2Ω)|
|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|
** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **
|Maximum fidelity: The KEF Reference 1 speaker
|KEF Reference Review
|‘Reference Quality’ – Hi-Fi Plus Magazine
|‘Reference Quality’ – Hi-Fi World Magazine
|SoundStage! Network - Reviewers' Choice