Q250c is a 2-way Passive Passive Radiator Center Channel speaker by KEF. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" Dome Tweeter and 1 x 5.25" aluminum Woofer. Q250c also employs one 6.5-inch passive radiators. The speaker has a frequency range of 68-28k Hz and a sensitivity of 87 dB.
Q250c 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 Q250c has a Frequency response range of 68-28k Hz at ±3dB (57Hz-50kHz at -6dB) and Power Range of 10-100 watts. At a minimum frequency of 68 Hz, it is hard to expect a strong bass response from Q250c so depending on your intended use, using a subwoofer will significantly help to widen the response range.
Here we have a comparison of how Q250c's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
KEF Q250c's aluminum Woofer
KEF Q250c's vented aluminum Dome Tweeter
What is the Crossover frequency of KEF Q250c?
Crossover frequency of the Q250c 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 Q250c's nominal impedance level is 8 ohms but can go down to as low as 3.4 ohms, and has a sensitivity of 87 dB.
Sensitivity
Center Channel Speakers
Is the KEF Q250c an easy to drive speaker?
8 Ohms is pretty much the standard impedance amongst stereo speakers and amplifiers so KEF Q250c is not considered a difficult to drive speaker from nominal Impedance perspective.
With a sensitivity level of only 87 dB, KEF Q250c is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with hogh output if you like listening your music at high volume levels.
Minimum Impedance of KEF Q250c
Even though the nominal impedance of the Q250c is 8 ohms, the minimum impedance level of this speaker according to KEF is 3.4 ohms KEF Q250c so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Input Type
Q250c features Binding post type connectors. Bi-amping and Bi-wiring is not possible.
KEF Q250c Speaker Size: Weight and Dimensions
KEF Q250c has external dimensions of (Height x Width x Depth) 7-1/8 x 20-11/16 x 8-1/2inch (181.0 x 526.0 x 216.0mm ). Each speaker weighs 7.50kg / 16.5lbs.
Cabinet type and Materials
KEF Q250c has a
Passive Radiator type cabinet.
Speaker Feet
KEF Q250c comes with
4 Self-adhesive rubber feet which you can use to secure your loudspeaker on the surface that you are putting on.
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.
Available colors
KEF Q250c is available in Satin White, Satin Black, Walnut.
KEF Q250c with Grille
What's in the Box of KEF Q250c?
Here are the items that are included inside the box of Q250c:
Center-channel loudspeaker 4 Self-adhesive rubber feet Owners Manual Warranty Information
User's Manual
For more information about how to setup, use and maintain the KEF Q250c, use the direct link below to download the official manual document:
Download User Manual for KEF Q250c
Official Brochure
Here is a link to download the official brochure for the KEF Q250c speaker:
Official Brochure for KEF Q250c
Official Product Page
Official manufacturer's product page for the KEF Q250c speaker can be found below:
Official Product Page for KEF Q250c
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.
KEF Q250c in Use
