KEF R7 3-way Bass Reflex Floorstanding Speaker (Pair)

by KEF
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₹ 475,000.00

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Country of Origin: Uk

Ooberpad presents the KEF R7 3-way Bass Reflex Floorstanding Speaker. The R7 is the mid-sized floorstander in KEF's R Series, power-packed yet not too large it enlivens music and movies. With a pair of 165mm (6.5 in.) hybrid aluminium bass drivers and a Uni-Q combining a 125mm (5 in.) midrange driver and 25mm (1 in.) aluminium dome tweeter, R7 outperforms all expectations. Equally at home with music or film, R7 proves to be supremely flexible, just as the rest of the R Series range.


2-year manufacturer's warranty

Key Features:

  • Uni-Q driver places the tweeter in the centre of the midrange driver for ideal acoustic placement
  • Shadow Flare profiled transition surface extends waveguides to prevent cabinet diffraction
  • Bass drivers built with aluminium skin on a paper cone for greater stiffness
  • Constrained layer damping dissipates unwanted resonances
  • Flexible port technology delays the onset of turbulence and prevents resonance

          Benefits of KEF R7 3-way Bass Reflex Floorstanding Speaker:

          Uni-Q Driver Array

          The R7 speakers feature KEF’s innovative Uni-Q driver array, where the tweeter is placed in the acoustic centre of the midrange cone. This brings the ideal solution of a single point source closer to realisation. The Uni-Q used in the new R Series is the 12th generation, benefitting from years of KEF’s refinement and development. The new Uni-Q driver has been designed using simulation and analysis tools, and reduces colouration by reducing resonance in the gaps between the separate elements, resulting in a purer, clearer sound with improved stereo imaging.

          Shadow Flare

          In order to minimise harmful cabinet diffraction for high frequencies, the R Series employs Shadow Flare technology, using a carefully profiled transition surface to extend the waveguide effect of the Uni-Q. The line of sight between the tweeter and the cabinet edges is no longer present, creating a shadow area at the places where the potential diffraction is highest. Reducing this diffraction helps to improve fine details, such as the subtle nuances of plucked strings and percussive sounds.

          Bass Drivers

          The R Series R7 speakers contain two bass drivers, to create a full, rich sound. The bass drivers are constructed using a two part structure, with a shallow concave aluminium skin placed over the paper cone. This creates a better stiffness in the cone, to deliver punch and speed for accurate bass reproduction. A newly designed magnet system produces a more even magnetic field to accurately control the powerful driver.

          Cabinet Bracing

          The cabinet bracing for the R7s uses constrained layer dampening to provide a solid platform for producing great sound. The damping has internal braces joined by a lossy interface, and is highly effective at dissipating unwanted resonances and vibrations that could alter the sound of the music.

          Flexible Port Technology

          The port design generates deep and articulate bass from the R7 speakers, by featuring innovative flexible walls. Designed with computational fluid dynamics, the flare and profile of the port is calculated to delay the onset of turbulence, while longitudinal resonances that may colour the midrange frequencies are prevented by the flexible walls of the bass port.

          Where to buy?
          Buy KEF R7 3-way Bass Reflex Floorstanding Speaker (Pair) online at the best price in Mumbai, Delhi, Bangalore, Chennai and all across India. Enjoy expert, prompt and courteous customer service from the team. We will help you choose better and will give you all the support you need to take the right buying decision in India.

          Technical Specifications of KEF R7 3-way Bass Reflex Floorstanding Speaker:

          Brand & Model # KEF R7 
          Design Three-way bass reflex
          Drive Units
          Uni-Q Driver Array:
          HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium cone 
          Bass Driver LF: 2 x 165mm (6.5in.) hybrid aluminium
          Crossover frequency
          400Hz, 2.9kHz
          Frequency range (-6dB) 
          33Hz - 50kHz
          Typical in-room bass response (-6dB) 27Hz
          Frequency response (±3dB)
          48Hz - 28kHz
          Harmonic distortion (90dB, 1m)
          <0.3% 100Hz - 20kHz
          Maximum output
          Amplifier power (recommended)
          15 - 250W
          Nominal impedance
          8Ω (min.3.2Ω)
          Sensitivity (2.83V/1m)
          Dimension (H x W x D) with terminal *
          1062 x 200 x 383.5 mm (41.8 x 7.9 x 15.1 in.)
          Dimension (H x W x D) with terminal with Plinth *
          1108.9 x 310.6 x 383.5 mm (43.7 x 12.2 x 15.1 in.)
          31.4 kg (69.2 lbs.)

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