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KEF Q750 vs KEF Q950 Comparison

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KEF Q750

Passive Floor-standing | 48-28k Hz

KEF Q750
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KEF Q950

Passive Floor-standing | 44-28k Hz

KEF Q950
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KEF Q750 KEF Q750
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KEF Q950 KEF Q950
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KEF Q750
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KEF Q950
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KEF Q750 vs KEF Q950 Speaker Comparison

In this review, we will be comparing Q750 and Q950, two Passive Floor-standing speakers by KEF

Let's have a brief look at the main features of KEF Q750 and KEF Q950 first before getting into our more detailed comparison.

KEF Q750 Key Specs

  • 2-way Design
  • 11th Generation Uni-Q Driver
  • 1" Dome Tweeter
  • 2 x 6.5" Aluminum Woofer
  • 48-28k Hz Frequency Response
  • 88 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:15-150watts
  • Weight:16.59kg
  • Dimensions (H x W x D): 945.0" x 12-7/8" x 12-3/8"( 945.0 x 328.0 x 315.0mm )

KEF Q950 Key Specs

  • 2-way Design
  • 11th Generation Uni-Q Driver
  • 1.5" Dome Tweeter
  • 2 x 8.0" Aluminum Woofer
  • 44-28k Hz Frequency Response
  • 91 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:15-200watts
  • Weight:20.68kg
  • Dimensions (H x W x D): 1117.0" x 14-1/4" x 12-3/8"( 1117.0 x 362.0 x 315.0mm )

Q750 and Q950 are members of KEF's Q series of speakers. Below you can find the loudspeakers from this series.

KEF Q Series History
Model Body Frequency SensitivityImpedance Woofer
KEF Q150
  
Bookshelf 51-28k Hz 86 dB8Ω 1 x 5.25"
KEF Q350
  
Bookshelf 63-28k Hz 87 dB8Ω 1 x 6.5"
KEF Q950
Floor-standing 44-28k Hz 91 dB8Ω 2 x 8.0"
KEF Q750
Floor-standing 48-28k Hz 88 dB8Ω 2 x 6.5"
KEF Q550
  
Floor-standing 58-28k Hz 87 dB8Ω 2 x 5.25"
KEF Q650c
  
Center Channel 64-28k Hz 87 dB8Ω 2 x 6.5"
KEF Q250c
  
Center Channel 68-28k Hz 87 dB8Ω 1 x 5.25"

What size room are the KEF Q750 and KEF Q950 speakers good for?

The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:

Listening Environment* KEF Q750 KEF Q950
Near-field Bad Bad
Small Room Poor Poor
Mid-size Room Good Good
Large Room Good Good
Very Large Room Poor Poor

(* 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.)

In the following sections, we will get into more detail in order to better understand how the KEF Q750 and KEF Q950 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**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.


Drivers

Both Q750 and Q950 are 2-way speakers.

Driver KEF Q750 KEF Q950
Driver Setup 2-way 2-way
Tweeter 1-inch 1.5-inch
Midrange - -
Woofer 2 x 6.5-inch 2 x 8.0-inch

Q750 features a 1" vented aluminum Dome Tweeter and 2 x 6.5" Aluminum Woofer with a Crossover frequency at 2500Hz. On the other hand, the Q950 features a 1.5" vented aluminum Dome Tweeter and 2 x 8.0" Aluminum Woofer with a Crossover frequency at 2200Hz.

Frequency Response

Q750 has a frequency range of 48-28k Hz whereas Q950 has a frequency range of 44-28k Hz. With a minimum frequency of 44Hz, the Q950 can go slightly deeper then the Q750's min frequency of 48Hz.

Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Floor-standing class in our database.

Low Frequency

Floor-standing Speakers

Q750
Q950
Min
Average
Max
High Frequency

Floor-standing Speakers

KEF Q750
KEF Q950
Min
Average
Max

None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.

Impedance and Sensitivity

Q750 and Q950 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. Q750 sensitivity is rated at 88 dB and the Q950's is at 91 dB. This 3 dB difference makes the KEF Q950 a more sensitive speaker compared to KEF Q750, hence will play louder with the same amount of watts.

Sensitivity

Floor-standing Speakers

Q750
Q950
Min
Average
Max

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.

Q750 can handle a max power of 200 watts RMS from the amp the whereas Q750 has a max power handling value of 150 watts RMS , 50 watts less than the Q950.

Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters such as Impedance, sensitivity and system efficiencies.

Input Type and Bi-Amping / Bi-Wiring

Q750 features Binding post type posts and Q950 has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.

KEF Q750 Terminals
KEF Q750's Binding post terminals

Cabinet Type and Port Position

Both Q750 and Q950 have front firing ports. front ported speakers offers more flexibility in placement in regards to proximity to walls&surfaces compared to rear ported speakers.

Physical Specs

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare KEF Q750's and KEF Q950's external dimensions. KEF Q750 has external dimensions of 945.0 x 328.0 x 315.0mm ( 37-3/16 x 12-7/8 x 12-3/8inch) whereas KEF Q950 has external dimensions of 1117.0 x 362.0 x 315.0mm ( 43-15/16 x 14-1/4 x 12-3/8inch) .

Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base surface area of the KEF Q750 is approximately 1033.2cm2 / 160.1inch2 and base area of the KEF Q950 is approximately 1140.3cm2 / 176.7inch2. The Q750 requires 9% less surface area than the Q950 which gives it a small advantage on placement in tight spaces.

Weight Comparison

The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The KEF Q750 weighs 16.59kg / 36.5lbs and the KEF Q950 weighs 20.68kg / 45.5lbs. This makes the Q950 25% heavier than the Q750.

Here is a comparison of how Q750 and Q950's weights compare with the average, max and min weights in Passive Floor-standing class.

Weight
All Floor-standing Speakers
KEF Q750
KEF Q950
Min
Average
Max

What's in the Box of KEF Q750?

Here are the items that are included inside the box of Q750:
  • Floorstanding loudspeaker
  • 2 Outrigger feet
  • 4 Spikes
  • 6 Screws
  • 6 Washers
  • 4 Rubber inserts
  • Hex-key
  • Owners Manual
  • Warranty Information
  • What's in the Box of KEF Q950?

    Here are the items that come with the Q950:
  • Floorstanding loudspeaker
  • 2 Outrigger feet
  • 4 Spikes
  • 6 Screws
  • 6 Washers
  • 4 Rubber inserts
  • Hex-key
  • Owners Manual
  • Warranty Information

  • Reasons to choose KEF Q750 over KEF Q950
    Minimum Impedance 3.8 ohms vs 3.2 ohms Very low impedance levels puts more pressure on amplifier
    Base Surface Area 1033cm2 vs 1140cm2 Takes less floor space
    Price per pair* 1800USD vs 2200USD costs less (*prices may change depending on the seller, location and time)

    Reasons to choose KEF Q950 over KEF Q750

    Max Input Power 200 watts vs 150 watts Handle more power from your amplifier
    Sensitivity 91 dB vs 88 dB Play louder with same amount of amplification power
    Woofer Size 8.0 inches vs 6.5 inches Larger woofer
    Low Frequency Response 44 Hz vs 48 Hz Generates deeper bass
    KEF Q750 vs KEF Q950 Specs Table
    Detailed comparison of specifications
    General KEF Q750 KEF Q950
    Brand KEF KEF
    Speaker Type Floor-standing speaker Floor-standing speaker
    Power Range 15-150 watts 15-200 watts
    Sensitivity 88 dB 91 dB
    Impedance 8 ohms 8 ohms
    Impedance 3.8 ohms 3.2 ohms
    Frequency Response 48-28k Hz 44-28k Hz
    Drivers
    Woofer Quantity 2 2
    Woofer Size 6.5" 8.0"
    Woofer Composition Aluminum Aluminum
    Woofer Surround Material Rubber Rubber
    Tweeter Size 1" 1.5"
    Tweeter Type Dome Dome
    Aimable Tweeter No No
    Midrange Driver No No
    Crossover Frequency 2500Hz 2200Hz
    Firing Direction front front
    Physical Specs
    Height 1117.0mm (44") 1117.0mm (44")
    Width 328.0mm (12.9") 362.0mm (14.3")
    Depth 315.0mm (12.4") 315.0mm (12.4")
    Weight 16.59kg (36.5lbs) 20.68kg (45.5lbs)
    Enclosure Passive Radiator Passive Radiator
    Finish MDF/Wood-grain vinyl MDF/Wood-grain vinyl
    Available Colors Walnut Walnut
    Moisture Resistancy No No
    Connections
    Biamp Inputs No No
    Other
    Parts Warranty 5 Years 5 Years
    Labor Warranty 5 Years 5 Years

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