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KEF R7 Review
KEF R7

Main Features

  • 1" Dome Tweeter
  • 5" aluminum Midrange
  • 2 x 6.5" Hybrid Aluminum Woofer
  • 48-28k Hz Frequency Response
  • 88 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 15-250watts
  • Weight:69.08 lbs / 31.40 kg
  • Dimensions(HxWxD): 43-13/16"x8"x15-5/16" / 1113.0 x 200.0 x 389.0mm
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KEF R7 Review
KEF R7 KEF R7
See at AMAZON

KEF R7 is a 3-way Passive Bass Reflex Floor-standing speaker by KEF. It features a 1" Dome Tweeter, 1 x 5" Midrange and 2 x 6.5" Hybrid Aluminum Woofer. The speaker has a frequency range of 48-28k Hz and a sensitivity of 88 dB. KEF R7 has an MSRP of 4500$ per pair but can often be found around 3600$ per pair.

Room Size Suitability

The size of the room where you plan to use the KEF R7 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:

Listening Environment* Suitability
Near-fieldBad
Small RoomPoor
Mid-size RoomAverage
Large RoomGood
Very Large RoomAverage

(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2. Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)

KEF's R Series of Loudspeakers

R7 is a member of KEF's R series of Passive speakers. Below you can see the main specs of these speakers.

KEF R Series Speakers
Model Frequency SensitivityImpedance Woofer
KEF R3
Compare
52-28k Hz 87 dB8Ω 1 x 6.5"
KEF R7
48-28k Hz 88 dB8Ω 2 x 6.5"
KEF R11
Compare
46-28k Hz 90 dB8Ω 4 x 6.5"
KEF R5
Compare
58-28k Hz 87 dB8Ω 2 x 5.25"
KEF R2c
Compare
74-28k Hz 87 dB8Ω 2 x 5.25"
KEF R Series Speakers
KEF R Series Speakers


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response of the KEF R7 Speaker

KEF R7 has a Frequency response range of 48-28k Hz at ±3dB and Power Range of 15-250 watts. With a minimum frequency of 48 Hz, R7 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.

To focus on the subwoofers that are in a similar price range with KEF R7, check out the Powered Subwoofers under $5000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how R7's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
KEF R7
Min
Average
Max
High Frequency
Floor-standing Speakers
KEF R7
Min
Average
Max

Among the speakers in our database with a max MSRP price of 5000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the KEF R7's 48Hz:

  • KLH Kendall with Low Frequency of 25 Hz (Compare w/ R7)
  • GoldenEar Triton Five with Low Frequency of 26 Hz (Compare w/ R7)
  • Monitor Audio Silver 500 7G with Low Frequency of 27 Hz (Compare w/ R7)
  • KLH Concord with Low Frequency of 28 Hz (Compare w/ R7)
  • SVS Ultra Tower with Low Frequency of 28 Hz (Compare w/ R7)

Crossover frequency of the KEF R7?

R7 is a 3-way speaker and its crossover frequency between the woofer and the midrange set to 400Hz and the Crossover frequency between the midrange and the tweeter is set to 2900Hz.

Impedance and Sensitivity

KEF R7's nominal impedance level is 8 ohms but can go down to as low as 3.2 ohms, and has a sensitivity of 88 dB.

Sensitivity
Floor-standing Speakers
KEF R7
Min
Average
Max

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so KEF R7 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

88dB of the KEF R7 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.

Minimum Impedance of the KEF R7

Even though the nominal impedance of the R7 is 8 ohms, the minimum impedance level of this speaker according to KEF is 3.2 ohms KEF R7 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.

Check the amplifiers that are in a similar price range to the KEF R7:

  • Integrated Amps under 3000 USD
  • Integrated Amps under 5000 USD
  • Integrated Amps under 10000 USD
  • All Integrated Amplifiers

Input Type

R7 has Binding post type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.

KEF R7 Terminals
KEF R7's Binding post terminals allows Bi-amping or bi-wiring

KEF R7 External Dimensions and Weight

KEF R7 has external dimensions of (Height x Width x Depth) 43-13/16 x 8 x 15-5/16inch (1113.0 x 200.0 x 389.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of KEF R7 is approximately 778.0cm2 / 120.6inch2.

To get a better perspective on the real life size of KEF R7, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

KEF R7 Real Life Body Size Comparison
KEF R7 Speaker Size Compared to a Compact Disc

Here we place the KEF R7 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

KEF R7 placed next to a Media Stand
KEF R7 Floor-standing Speaker next to a Media Stand

Weight

The KEF R7 weighs 31.40kg / 69.1lbs per piece. Here is a comparison of how R7's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
KEF R7
Min
Average
Max
Weight
Floor-standing Speakers under $5000
KEF R7
Min
Average
Max

How does the KEF R7 compare to the KEF R11?

One of the natural alternative to the KEF R7 is the R11 which is located one step higher in KEF's Passive Floor-standing selection.

Here is a scaled size comparison of these two speakers to give you an idea how their external dimensions compare:

KEF R7 vs KEF R11 Size Comparison - Front View
Comparison image of KEF R7 and KEF R11 Size and External Dimensions

Check the Detailed Comparison of KEF R7 vs R11 for more details.

Cabinet type and Materials

KEF R7 has a Bass Reflex type cabinet and a MDF/Lacquer finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.

Speaker Feet

KEF R7 comes with the parts below which you can use to secure your loudspeaker on the surface that you are putting on:
  • 2 Stabilizer-bars
  • 4 Spike feet
  • It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.

    KEF R7  Feet
    KEF R7 Feet

    Port Position

    KEF R7 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe. R7 comes with 2 Two-piece foam port plugs so if you don't have any choice but place the speakers too close to the walls or other surfaces, you can use these plugs in order to avoid boomy or too much bass.

    Available colors

    KEF R7 is available in Black Gloss, White Gloss and Walnut.

    Does the KEF R7 come with a Grille?

    R7 comes with removable grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.

    KEF R7  with Grille
    KEF R7 with Grille

    What's in the Box of KEF R7?

    Here are the items that are included inside the box of R7:
  • Floorstanding loudspeaker
  • Grille
  • 2 Foam port plugs
  • 4 Outrigger feet
  • 4 Spikes
  • 4 Protective discs
  • 4 Screws
  • 4 Washers
  • Wrench
  • Hex-key
  • User Manual
  • Warranty Information
  • Recommended Accessories

    Here is a list of accessories that we think you may need for the KEF R7.

    • Speaker Cable and Connectors
      • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
      • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
      • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
    • Vibration Isolators: IsoAcoustics isolators more affordable options too.
    • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

    User's Manual

    For more information about how to setup, use and maintain the KEF R7, use the direct link below to download the official manual document:
    Download User Manual for KEF R7

    Official Brochure

    Here is a link to download the official brochure for the KEF R7 speaker:
    Official Brochure for KEF R7

    Official Product Page

    Official manufacturer's product page for the KEF R7 speaker can be found below:
    Official Product Page for KEF R7

    Warranty

    5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

    Related Videos

    KEF R7 Alternatives in Passive Floor-standing Speakers
    Model Type Sensitivity Impedance Frequency
    KEF R5
    Compare
    3-way 87 dB 8 ohms 58-28k Hz
    KEF R11
    Compare
    3-way 90 dB 8 ohms 46-28k Hz
    KEF R7 Meta
    Compare
    3-way 88 dB 4 ohms 48-28k Hz
    KEF R3
    Compare
    3-way 87 dB 8 ohms 52-28k Hz
    KEF Q950
    Compare
    2-way 91 dB 8 ohms 44-28k Hz
    Polk R700
    Compare
    3-way 88 dB 8 ohms 38-38k Hz
    B&W 702 S2
    Compare
    3-way 90 dB 8 ohms 46-28k Hz
    Focal Aria 926
    Compare
    3-way 91.5 dB 8 ohms 45-28k Hz
    Frequently Asked Questions about KEF R7
    What is the External Dimensions of KEF R7
    What is the Speaker Sensitivity of KEF R7
    is the KEF R7 an easy to drive speaker?

    KEF R7 Detailed Specifications

    General
    BrandKEF
    Full Model NameKEF R7
    Speaker Type3-way Floor-standing
    Power Range15-250 watts
    Sensitivity88 dB
    Impedance8 ohms
    Max SPL111 dB
    Frequency Response48-28k Hz
    DRIVERS
    Woofer Size6.5-inch
    Woofer CompositionHybrid Aluminum
    Woofer SurroundRubber
    Tweeter Size1-inch
    Tweeter TypeDome
    Midrange Size5-inch
    Crossover freq400Hz and 2900Hz
    Port Positionrear

    CONNECTIONS
    Connector TypeBinding post
    Biamp InputsYes
    Port Positionrear
    PHYSICAL SPECS
    Height1113.0mm ( 43-13/16-inch)
    Width200.0mm ( 8-inch)
    Depth389.0mm ( 15-5/16-inch)
    Height1113.0mm ( 43-13/16-inch)
    Weight31.40kg ( 69.08 lbs)
    EnclosureBass Reflex
    FinishMDF/Lacquer
    Available ColorsBlack Gloss, White Gloss, Walnut
    Mounting BracketNo
    GrilleYes
    Moisture ResistanceNo
    OTHER
    Handheld RemoteNo
    Parts Warranty5 Years
    Labor Warranty5 Years
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