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KEF R Series Bookshelf Loudspeakers with 6" Bass, 5" Midrange and 1" Tweeter - Black Gloss - Pair (R3BLACK)
Model #: R3BLACK|UPC #: 637203214103

R3 redefines stand-mount performance. That's no surprise, as it shares the same drivers as the range-topping R11.

$2,498
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Reg. $2,998.00

Sale Ends: January 27, 2022
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R3 redefines stand-mount performance. That's no surprise, as it shares the same drivers as the range-topping R11. A true three-way speaker, the 165mm (6 in.) bass driver pushes bass performance to new extremes. The 125 mm (5 in.) mid-range driver and 25 mm (1 in.) aluminium dome tweeter create a Uni-Q array that defies the expectations from the most compact main speaker in the range.

Uni-Q Driver Array

Developed by KEF in 1988, the Uni-Q driver array acts as a single point source, providing pristine sound across a wider area. The R Series benefits from a new incarnation of this driver array, with advantages over its predecessors that include a new midrange motor system that drastically reduces distortion.

Air moving across the minute gaps between Uni-Q’s separate elements creates tiny resonances, but KEF engineers have reduced the impact of these necessary gaps by opening a cavity behind the drivers and adding resonance-absorbing damping material for more precise, purer treble.

Shadow Flare

Derived from the Reference Series, the Shadow Flare reduces harmful cabinet diffraction and allows the Uni-Q to work at its highest level.

More than just a trim ring, Shadow flare is a precision-designed surface that extends the waveguide effect of Uni-Q. The tweeter no longer has line of sight of the cabinet edges, creating a ‘shadow region’ at the points where the potential for diffraction is highest, minimising the acoustic impact to negligible levels.

The result is improved clarity, particularly when it comes to the subtle nuances of plucked strings and percussive sounds.

Low Frequency Drivers

The R Series’ dedicated low-frequency drivers have a two-part structure, where a shallow concave aluminium skin sits atop a paper cone. This adds stiffness, while the cone’s unique geometry reduces resonances and delivers the pistonic movement that makes these drivers time so well.

The new drivers also have a completely redesigned magnet system that creates a more even magnetic field, and a design of spider that reduces harmonic distortion for a cleaner, more precise sound.

Cabinet Bracing

The R Series benefits from Constrained Layer Damping bracing originally developed for the multiple award-winning LS50, and a new internal bracing layout. This combination brings the R Series closer to the internal structure of the Reference Series, and helps it deliver music as it is supposed to sound, without any unwanted extras.

Flexible Port Technology

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.

  • Product Parts Warranty: 5 Year Limited
  • Product Labour Warranty: 5 Year Limited

Product

Width:7.90 inches
Height:16.60 inches
Depth:13.20 inches
Weight:29.80 pounds