KEF R11 Meta Speakers
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KEF R11 Meta Speakers
The KEF R11 Meta is the Flagship three-way floorstanding speakers of the R Series range. For a breathtaking listening experience, its combination of 12th generation Uni-Q® driver array with MAT™ and four 6.5” hybrid aluminium bass drivers allow it to pick out the subtle details of a recording, while also delivering raw power and agility.
Features
- Metamaterial Absorption Technology (MATTM) eliminates 99% of high-frequency distortion for pure, natural sound
- Bespoke 12th generation Uni-Q with MAT driver array for exceptional acoustic accuracy
- Refined tweeter gap damper tames resonances for improved detail
- Flexible Decoupling Chassis prevents unwanted vibrations for better clarity
- Enhanced crossover design and fine-tuned the signal path for pristine, clean sound
The R Series is a direct beneficiary of the technological innovations developed for The Reference, the class-leading series that continually set the benchmark for loudspeakers and sound reproduction. Combining with bespoke technologies, the R Series delivers an exceptional acoustic performance. The revolutionary Metamaterial Absorption Technology1 (MATTM) has been incorporated into the latest iteration of the R Series, and the 12th generation Uni-Q® driver array has been refined to maximise the impact of this technological advance and ensure the best possible performance.
Superior KEF sound
A bespoke 12th generation Uni-Q driver array with MAT is found in all seven models of the R Series and delivers an incredibly detailed performance. It’s the result of decades of accumulated in-house knowledge and the application of cutting-edge simulation and analysis tools. The developments are many and all play a part in R Series’ exceptional performance.
The result is an exceptional seven-model range of loudspeakers, engineered to deliver with exquisite detail and incredible insight. Whether your taste lies with traditional two-channel HiFi, multi-channel home theatre or both, the R Series reveals levels of detail that must be heard to be believed.
Deep, Agile Bass
Bass is a vital element of performance, and the low-frequency drivers of R Series have been engineered with acute care and precision. They are built using a two-part structure, where a shallow concave aluminium skin sits atop a paper cone. This stiffness combined with the cone’s unique geometry reduces unwanted resonances and delivers the pistonic movement that makes these drivers time so well. The drivers’ magnet system creates a broad, uniform magnetic field, while the suspension reduces harmonic distortion for a clean, precise sound. The result is exceptionally deep and agile bass that reveals every last bit of detail and punch available in the deep.
Specifications
| Design: | Three-way bass reflex |
| Drive Units: | Uni-Q Driver Array: |
| HF: 25 mm (1 in.) vented aluminium dome with MAT | |
| MF: 125 mm (5 in.) aluminium cone | |
| Bass Unit: | |
| LF: 4 x 165 mm (6.5 in.) hybrid aluminium cone | |
| Crossover Frequency: | 330 Hz, 2.5 kHz |
| Frequency Range (-6dB): | 30 Hz - 50 kHz |
| Typical In-Room Bass Response (-6dB): | 26 Hz |
| Frequency Response (±3dB): | 46 Hz - 28 kHz |
| Harmonic Distortion (90dB, 1m): | <1% at 33 Hz and above |
| <0.5% at 80 Hz - 20 kHz | |
| Maximum Output: | 113 dB |
| Amplifier Requirements: | 15 - 300W |
| Nominal Impedance: | 4 Ω (min. 3.2 Ω) |
| Sensitivity (2.83V/1m): | 90 dB |
| Weight: | 36.5 kg (80.5 lbs) |
| Dimensions (H x W x D) With Terminal: | 1249 x 200 x 384 mm (49.2 x 7.9 x 15.1 in.) |
| Dimensions (H x W x D) With Terminal and Plinth: | 1296 x 311 x 384 mm (51.0 x 12.2 x 15.1 in.) |
| Finishes: | Black Gloss / White Gloss / Walnut |
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