Boxe KEF Ci250RRb-THX

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KEF Cod: SP4040AA
6.250 lei
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Caracteristici principale

  • Drive Units: LF: 250mm (10in.)
  • Frequency Response (±6dB) Open-backed: 20Hz - KASA setting
  • Max SPL: 109dB
  • Safety and Regulatory Compliance: IP64
Specificații tehnice

Garanție (luni)


The Extreme Architectural Subwoofer

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.

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.

THX Certification

Ci250RRb-THX delivers ultra-high performance with true theatre sound quality for large theatres and living rooms and it is certified to THX® Ultra with the configuration of four Ci250RRb-THX powered by one KEF KASA500 amplifier. When the KEF KASA500 amplifier powers two Ci250RRb-THX, the performance meets the THX® Select standard.

A deep understanding of the filmmaking process and surround sound is at the very heart of every THX® certified speaker system. Engineered with design characteristics of professional studio speakers, THX® recreates the tonal balance of the filmmaker's final mix in your living room. The results? Action sequences are impactful, and dialogue-driven moments are natural and engaging.

THX® certified subwoofers deliver the appropriate frequency response and high output and imaging quality of a traditional box speaker. This provides the best of both worlds - THX®surround sound performance from components that blend harmoniously with any interior.

Technical Specifications

Model: Ci250RRb-THX

Series: Ci-R Series

Frequency response: (±6dB) open-backed 20Hz - KASA setting

Frequency range: (-10dB) 16Hz - KASA setting

Max SPL (dB): 109dB

Drive units:
LF 250mm (10in.)
MF -
HF -

Recommended amplifier: KEF KASA500

Recommended low-pass filter (Hz): 50Hz - 120Hz

Product external dimensions: 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.)

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