Here is the KEF Ci 250RRb Extreme Home Theater speaker installed into a modern family room with a glowing fireplace and grand piano in a Chicago residence. KEF has announced that it has added to its range of Extreme Home Theater architectural speakers with two new THX Certified models: the ultra-high-performance three-way coaxial speaker Ci250RRM-THX and the high-output architectural subwoofer Ci250RRb-THX.
As part of the KEF Extreme Home Theatre line-up, both models were develop to deliver the intensity of true theater sound quality in large home spaces to allow integrators to utilize them for high performance music and home theater applications.
Extreme Home Theater Speakers Feature Latest KEF Technologies
According to the company, the Ci250RRM-THX is KEF’s first three-way coaxial architectural speaker model with technologies that KEF’s engineering team in Maidstone, U.K. pushed the technological boundaries to create the best possible sound.
The speaker incorporates KEF’s patent-pending technology ‘Cavity Radiation Control,’ which it says solves the midrange issues found in typical three-way coaxial loudspeakers. KEF points out the speaker utilizes an open-backed midrange with acoustically absorptive foam designed to eliminate midrange distortion up to a 30dB midrange dip which is equivalent to 99.9% of reduced SPL.
Another design element of the speaker is the implementation of the ‘Low Diffraction LF Aperture’ in the Ci250RRM-THX. The British company explains this design is a carefully profiled, smoothed housing design for the Uni-Q driver array with an outer acoustically absorptive foam ring that reduces resonance and diffraction. The result is exceptional MF/HF performance while preserving a tremendous bass output.
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The Ci250RRM-THX is also the first KEF architectural speaker with Metamaterial Absorption Technology (MAT). MAT is a highly complex maze-like structure that absorbs 99% of the unwanted sound from the rear of the tweeter, delivering a more crisp, natural treble performance. Additionally, the 100mm (4 inch) Uni-Q driver array in Ci250RRM-THX is the latest 12th generation, sharing many of the technologies found in the latest KEF Blade loudspeaker and the recently launched LS60 Wireless high-fidelity speaker system.
Featuring a 250mm (10 inch.) bass driver, the Ci250RRM-THX delivers deep, room-filling bass. As a THXÂ Certified Ultra architectural speaker, the Ci250RRM-THX is engineered to create the immersive, high-fidelity audio experience even in large rooms.
Engineered to deliver incredibly accurate and powerful bass while remaining visually discreet, the company has also announced the Ci250RRb-THX model speaker. KEF boasts this model is also designed to complement home theater and multi-purpose entertainment systems. As part of the KEF Extreme Home Theatre line-up, the Ci250RRb-THX can be used to address a range of room sizes, including large home spaces.
In order to create the greatest possible music and movie experience, a massive amount of power needs to be tempered with the finest of details. The Ci250RRM-THX features an extra-long-throw 250mm (10 inch) bass driver with a massive 150oz magnet, when driven by the KEF’s DSP-equipped KASA500 amplifier, KEF adds the Extreme Home Theater subwoofer is capable of producing deep, powerful bass.
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