KEF R300 5.1 Speaker System

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Featuring many of KEF’s latest innovations in premium hi-fi and home theatre loudspeaker technology, the all-new R Series makes genuine audiophile standards of entertainment more affordable than ever before. Stunningly fluent new Uni-Q driver arrays combine with potent new bass drivers and many ingenious refinements to create a rich, spacious sound image of such accuracy that it approaches the benchmark standards of KEF’s legendary Reference Series.
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Product Description

Details

 

R Series

Featuring many of KEF’s latest innovations in premium hi-fi and home theatre loudspeaker technology, the multi-award winning R Series makes genuine audiophile standards of entertainment more affordable than ever before. Stunningly fluent Uni-Q driver arrays combine with potent new bass drivers and many ingenious refinements to create a rich, spacious sound image of such accuracy that it approaches the benchmark standards of KEF’s legendary Reference Series.

 

R50 DolbyAtmos-enabled speakers

KEF’S R50 Dolby Atmos-enabled speakers sit above your existing front and rear floorstanding or bookshelf home theatre speakers. Knowing how the brain perceives sound, KEF engineers have perfected a way of beaming the sound upwards so that it’s reflected by the ceiling to replicate the vertical dimension in Dolby Atmos recordings. Integrating perfectly with our R Series, Q Series and Reference ranges aesthetically as well as sonically, the closed-box design of the R50 is built around the Uni-Q array developed for the revolutionary KEF Blade. With a sophisticated 25mm (1-in.) tweeter at the centre of a 130mm (5.25-in.) bass/mid driver and KEF’s ‘tangerine’ waveguide to maximise dispersion, it has excellent dynamics with accurate, fast and clean midrange response. And as the speaker footprint is the same, no more space is required.

The Uni-Q MF/HF driver array is a masterpiece. Midrange response is amazingly fast and clean, thanks to a braced magnesium/aluminium alloy cone, with KEF’s Z-flex surround smoothing the transition to the front panel and a sturdy die-cast aluminium chassis that prevents resonance being transferred to the cabinet. At the acoustic centre of the midrange cone is the sophisticated vented tweeter that endows KEF Blade with such startlingly pure HF response. With a large neodymium magnet and a computer-optimised dome structure so stiff that it operates pistonically over its entire working range, the upper registers are articulated with flawless precision - and to capitalise on Uni-Q’s point source characteristics, KEF’s ‘tangerine’ waveguide helps to disperse the higher frequencies evenly across a wider angle to flood the room with an intricate and refreshingly natural soundfield. Operating together as a single, perfectly integrated voice, the array as a whole delivers a sweet, accurate sound of unprecedented clarity.

 

 

Features

Specifications

Features

R300

  • Three-way bass reflex
  • -Uni-Q driver array
  • 25mm (1in.) vented aluminium dome
  • 125mm (5in.) aluminium
  • LF: 165mm (6.5in.) aluminium
  • Frequency range (-6dB): 42Hz - 45kHz
  • Frequency response (±3dB): 50Hz - 28kHz
  • Crossover frequency: 500Hz, 2.8kHz
  • Amplifier requirements: 25 - 120 W
  • Sensitivity (2.83V/1m): 88dB
  • Harmonic distortion 2nd & 3rd harmonics (90dB, 1m): <0.4% 130Hz-20kHz
  • Maximum output: 110dB
  • Nominal impedance: 8ohms (min. 3.2Ω)
  • Weight: 12kg (26.4lbs.)
  • Dimension (H x W x D) (with grille and terminal) 385 x 210 x 345 mm (15.2 x 8.3 x 13.6 in.)

 

 

 

R100

  • Two-way bass reflex
  • Uni-Q driver array
  • 25mm (1in.) vented aluminium dome
  • 130mm (5.25in.) aluminium
  • Frequency range (-6dB): 49Hz - 45kHz
  • Frequency response (±3dB): 56Hz - 28kHz
  • Crossover frequency: 2.5kHz
  • Amplifier requirements: 25 - 100 W
  • Sensitivity (2.83V/1m): 86dB
  • Harmonic distortion 2nd & 3rd harmonics (90dB, 1m): <0.4% 150Hz-20kHz
  • Maximum output: 107dB
  • Nominal impedance: 8Ω (min. 3.2Ω)
  • Weight: 6.6kg (14.5lbs.)
  • Dimension (H x W x D) (with grille and terminal) 280 x 180 x 289 mm (11 x 7.1 x 11.4 in.)

 

 

 

R200c

  • Three-way bass reflex
  • Uni-Q driver array
  • 25mm (1in.) vented aluminium dome
  • 125mm (5in.) aluminium
  • Bass units: LF: 2 x 130mm (5.25in.) aluminium
  • Frequency range (-6dB): 52Hz - 45kHz
  • Frequency response (±3dB): 65Hz - 28kHz
  • Crossover frequency: 500Hz, 2.8kHz
  • Amplifier requirements: 25 - 150 W
  • Sensitivity (2.83V/1m): 87dB
  • Harmonic distortion 2nd & 3rd harmonics (90dB, 1m): <0.4% 120Hz-20kHz
  • Maximum output: 111dB
  • Nominal impedance: 8Ω (min. 3.2Ω )
  • Weight: 14.4kg (31.7lbs.)
  • Dimension (H x W x D): (with grille and terminal) 170 x 530 x 305 mm (6.7 x 20.9 x 12 in.)

 

 

 

R400

 

  • Powered Subwoofer (Sealed)
  • LF: 2 x 225mm (9in.)
  • Frequency range (-6dB): 26Hz - 140Hz
  • Maximum output: 111dB
  • Amplifier: 2 x 250W (500W)
  • built-in Class-D
  • Low pass filter Variable: 40Hz - 140Hz, 4th-order
  • Low level signal inputs: RCA phono sockets
  • Internal volume: 22 litres
  • Power requirements: 100V - 120V / 220V - 240V ~ 50 / 60Hz
  • Power consumption: 600VA
  • Weight: 21.5kg (47.4lbs.)
  • Dimension (H x W x D) (with grille, terminal & plinth): 365 x 330 x 351 mm (14.4 x 13 x 13.8 in.)

 

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