KEF

Ci250RRb-THX

Name: Ci250RRb-THX
Brand: KEF
SKU: KEF-CI250RRB-THX

Model SP4040AA · Series R Series

Engineered to deliver incredibly accurate and powerful bass, Ci250RRb-THX is the perfect addition to any music or home theatre system and an excellent partner to other KEF loudspeakers. Featuring an extra-long-throw 250mm (10 in.) bass driver with a massive 150oz magnet, Ci250RRb-THX delivers exceptional depth with the accuracy needed for an epic music, movie or gaming experience.

At a glance

All specifications

Weight: 5.6 kg
Driver size: 250 mm
Frequency Range (-10dB): 16Hz - KASA setting
Max SPL: 109dB
Drive Units: LF: 250mm (10in.) MF: - HF: -
Required Amplifier: KEF KASA500

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Overview

The Extreme Architectural Subwoofer

Features

Feel the detail in the deep
In order to create the most immersive experience for music and movies, tremendous power is tempered with fine detailing. The extra-long-throw 250mm (10 in.) bass driver of Ci250RRb-THX, when driven by the KEF’s DSP-equipped KASA500 amplifier, delivers both in spades. As part of the Extreme Home Theatre line-up within KEF Architectural Speakers, Ci250RRb-THX is engineered to deliver high-fidelity sound experience for the most discerning music and movie lovers. Featuring a massive 150oz magnet in the motor system, Ci250RRb-THX delivers thunderous, low-distortion bass down to 20Hz with a maximum SPL of 109dB.
Designed to perform
Engineered to be structurally robust with a premium aesthetic, the bespoke Ultra-Thin Bezel (UTB) offers the slimmest visible rim around the speaker while casting virtually no shadow. The paintable UTB and magnetic grille ensures the speaker seamlessly blends into the environment. Ci250RRb-THX is splash water and dust proof with IP64 certification. With a well-considered mechanical design, Ci250RRb-THX ensures ease of installation with the minimum of fuss.

Specifications

Weight: 5.6 kg; Per unit, out of the box.
Driver size: 250 mm
Model code: KEF-CI250RRB-THX; Quote it when you ask a specialist.

Specifications

Frequency Response (±6dB) Open-backed: 20Hz - KASA setting
Frequency Range (-10dB): 16Hz - KASA setting
Max SPL: 109dB
Drive Units: LF: 250mm (10in.) MF: - HF: -
Required Amplifier: KEF KASA500
Recommended Low-pass Filter (Hz): 50Hz - 120Hz
Product External Dimension: Diameter Ø: 346mm (13.62in.) Depth: 153mm (6in.)
Cut-Out Dimensions: Diameter Ø: 300mm (11.81in.)
Net Weight: 5.6kg (12.3lbs)
Mounting Depth from Surface: 147mm (5.8in.)
Optional Rough In Frame: -
Ideal Rear Volume: 140L
Minimum Rear Volume: 70L
THX Certification: THX® Certified Ultra
Safety and Regulatory Compliance: IP64
Ceiling Thickness (Maximum): 30mm (1.18in.)
Ceiling Thickness (Minimum): 6mm (0.24in.)
Remarks: KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. THX, the THX logo, and Ultra are trademarks of THX Ltd. THX and the THX logo are registered in the U.S. and other jurisdictions. All rights reserved.