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KEF R7- Floorstanding Speaker Black (Pair)

Features: The R7 is the mid-sized floorstander in KEF's R Series, very powerful yet not too large it brings music and movies to life | With a pair of 165mm (6.5 in.) hybrid aluminum bass drivers and a Uni-Q combining a 125mm (5 in.) midrange driver and 25mm (1 in.) aluminum dome tweeter, R7 outperforms all expectations | Manufacturer Warranty : 3 years
₹ 4,02,542.00 excl tax
Manufacturer: KEF
SKU: KEF-FSS-B-R7
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| Key Features
 
  • Uni-Q driver places the tweeter in the center of the midrange driver for ideal acoustic placement
  • Shadow Flare profiled transition surface extends waveguides to prevent cabinet diffraction
  • Bass drivers built with an aluminum 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

 

| Description
 
In order to minimize 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.
 

Benefits of KEF R7 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 center of the midrange cone. This brings the ideal solution of a single-point source closer to realization. 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 coloration 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 minimize 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.

 

Low-Frequency Drivers

 

 

The R Series’ dedicated low-frequency drivers have a two-part structure, where a shallow concave aluminum 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 spider that reduces harmonic distortion for a cleaner, more precise sound.

 

Bass Drivers

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 are calculated to delay the onset of turbulence, while longitudinal resonances that may color the midrange frequencies are prevented by the flexible walls of the bass port.

As any hi-fi enthusiast knows, there's no shortage of compelling speakers these days. But its beauty is only revealed when the sound isn't right. Luckily, the KEF R11 Floorstanding Speaker, the flagship of the venerable British brand's midsize R-series, packs smart tech for great sound into a beautiful package and comes at a lower price than you might expect. Sitting above the entry-level Q-series and below the reference series, the R-series was first launched in 2011 but is now a new version for 2018. With the latest model, the midrange is Redesigned with the Signature of the R-series speaker.

 

| Specifications

 Brand & Model 

 KEF R7- Floorstanding Speake

 Enclosure Type

 3- Way Bass Reflex

 Frequency Response

 46Hz-28kHz (±3dB)

 Nominal Impedance

 8 Ohms (min.3.2 Ohms)

 Sensitivity

 88dB (2.83V/1m)

 Crossover Frequency

 400Hz, 2.9kHz

 Max Power Output

 111dB

 Bass Driver

 LF: 4x 165mm (6.5in.) hybrid aluminum

 Cabinet Finish

 Black Gloss / White Gloss / Walnut

 Dimensions (WxHxD)

 1062 x 200 x 383.5 mm (41.8 x 7.9 x 15.1 in.)   with terminal*

 1108.9 x 310.6 x 383.5 mm (43.7 x 12.2 x 15.1   in.) with Plinth*
 
 1062 x 200 x 360 Cabinet only
 Weight
 31.4 Kg(69.1lbs.)

 

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| Key Features
 
  • Uni-Q driver places the tweeter in the center of the midrange driver for ideal acoustic placement
  • Shadow Flare profiled transition surface extends waveguides to prevent cabinet diffraction
  • Bass drivers built with an aluminum 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

 

| Description
 
In order to minimize 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.
 

Benefits of KEF R7 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 center of the midrange cone. This brings the ideal solution of a single-point source closer to realization. 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 coloration 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 minimize 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.

 

Low-Frequency Drivers

 

 

The R Series’ dedicated low-frequency drivers have a two-part structure, where a shallow concave aluminum 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 spider that reduces harmonic distortion for a cleaner, more precise sound.

 

Bass Drivers

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 are calculated to delay the onset of turbulence, while longitudinal resonances that may color the midrange frequencies are prevented by the flexible walls of the bass port.

As any hi-fi enthusiast knows, there's no shortage of compelling speakers these days. But its beauty is only revealed when the sound isn't right. Luckily, the KEF R11 Floorstanding Speaker, the flagship of the venerable British brand's midsize R-series, packs smart tech for great sound into a beautiful package and comes at a lower price than you might expect. Sitting above the entry-level Q-series and below the reference series, the R-series was first launched in 2011 but is now a new version for 2018. With the latest model, the midrange is Redesigned with the Signature of the R-series speaker.

 

| Specifications

 Brand & Model 

 KEF R7- Floorstanding Speake

 Enclosure Type

 3- Way Bass Reflex

 Frequency Response

 46Hz-28kHz (±3dB)

 Nominal Impedance

 8 Ohms (min.3.2 Ohms)

 Sensitivity

 88dB (2.83V/1m)

 Crossover Frequency

 400Hz, 2.9kHz

 Max Power Output

 111dB

 Bass Driver

 LF: 4x 165mm (6.5in.) hybrid aluminum

 Cabinet Finish

 Black Gloss / White Gloss / Walnut

 Dimensions (WxHxD)

 1062 x 200 x 383.5 mm (41.8 x 7.9 x 15.1 in.)   with terminal*

 1108.9 x 310.6 x 383.5 mm (43.7 x 12.2 x 15.1   in.) with Plinth*
 
 1062 x 200 x 360 Cabinet only
 Weight
 31.4 Kg(69.1lbs.)

 

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Features: The R7 is the mid-sized floorstander in KEF's R Series, very powerful yet not too large it brings music and movies to life | With a pair of 165mm (6.5 in.) hybrid aluminum bass drivers and a Uni-Q combining a 125mm (5 in.) midrange driver and 25mm (1 in.) aluminum dome tweeter, R7 outperforms all expectations | Manufacturer Warranty : 3 years
₹ 4,02,542.00 excl tax