Q750 is a 2-way Passive Passive Radiator Floor-standing speaker by KEF. It features a 1" Dome Tweeter and 2 x 6.5" Aluminum Woofer. Q750 also employs 2 x 6.25-inch passive radiators. The speaker has a frequency range of 48-28k Hz and a sensitivity of 88 dB. KEF Q750 has an MSRP of 1800$ per pair. Q750 also gives the user optional Dolby Atmos capability by equipping the unit with upward-firing Dolby Atmos drivers.
Q750 is a member of KEF's Q series of Passive speakers. Below you can see the main specs of these speakers.
KEF Q Series Speakers
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Frequency Response
KEF Q750 has a Frequency response range of 48-28k Hz at ±3dB (42Hz-50kHz at -6dB) and Power Range of 15-150 watts. At a minimum frequency of 48 Hz, Q750 will provide an average bass depth so depending on your use case, you may consider supplementing your system with a subwoofer.
Here we have a comparison of how Q750'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
High Frequency
Floor-standing Speakers
KEF Q750's Aluminum Woofer
Among the speakers in our database with a max MSRP price of 2000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the KEF Q750's 48Hz:
KEF Q750's vented aluminum Dome Tweeter
What is the Crossover frequency of KEF Q750?
Crossover frequency of the Q750 is set to 2500Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower frequency signals are sent to the woofer by the crossover component.
Impedance and Sensitivity
KEF Q750's nominal impedance level is 8 ohms but can go down to as low as 3.8 ohms, and has a sensitivity of 88 dB.
Sensitivity
Floor-standing Speakers
Is the KEF Q750 an easy to drive speaker?
8 Ohms is pretty much the standard impedance amongst stereo speakers and amplifiers so KEF Q750 is not considered a difficult to drive speaker from nominal Impedance perspective.
88dB of KEF Q750 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive from Sensitivity perspective.
Minimum Impedance of KEF Q750
Even though the nominal impedance of the Q750 is 8 ohms, the minimum impedance level of this speaker according to KEF is 3.8 ohms KEF Q750 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Input Type
Q750 features Binding post type connectors. Bi-amping and Bi-wiring is not possible.
KEF Q750 Back View
KEF Q750's Binding post terminals
KEF Q750 Speaker Size: Weight and Dimensions
KEF Q750 has external dimensions of (Height x Width x Depth) 37-3/16 x 12-7/8 x 12-3/8inch (945.0 x 328.0 x 315.0mm ).
Cabinet type and Materials
KEF Q750 has a
Passive Radiator type cabinet and MDF/Wood-grain vinyl finish.
Speaker Feet
KEF Q750 comes with the parts below which you can use to secure your loudspeaker on the surface that you are putting on:
2 Outrigger feet4 Spikes 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.
Port Position
KEF Q750 is a front-firing port speaker which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Available colors
KEF Q750 is available in Walnut.
KEF Q750 with Grille
What's in the Box of KEF Q750?
Here are the items that are included inside the box of Q750:
Floorstanding loudspeaker2 Outrigger feet4 Spikes6 Screws6 Washers4 Rubber insertsHex-keyOwners ManualWarranty Information
User's Manual
For more information about how to setup, use and maintain the KEF Q750, use the direct link below to download the official manual document:
Download User Manual for KEF Q750
Official Brochure
Here is a link to download the official brochure for the KEF Q750 speaker:
Official Brochure for KEF Q750
Official Product Page
Official manufacturer's product page for the KEF Q750 speaker can be found below:
Official Product Page for KEF Q750
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.
