| Specification | ||
|---|---|---|
| Price | 612514.50 |
563904.00 |
| Brand | KEF |
KEF |
| Model No | R11 Meta |
Refrence 8B Subwoofer |
| Wired / Wireless | Home Theatre Speaker Specification |
Home Theatre Speaker Specification |
| Driver Type | Dynamic |
Dynamic |
| Driver Diameter | Uni-Q Driver Array MF: 125 mm Aluminum Cone HF: 25 mm Vented Aluminum Dome With MAT Bass Unit: LF : 4 X 165 mm Hybrid Aluminum Cone |
2 X 225 mm |
| Impedance | 4 Ohms ( Min. 3.2 Ohms ) |
NA |
| Sensitivity | 90 dB |
NA |
| Frequency Response | Crossover Frequency : 330 Hz, 2.5 KHz Frequency Range ( -6dB ) : 30 Hz - 50 KHz Frequency Response ( ±3dB ) : 46 Hz - 28 KHz Typical In-Room Bass Response ( -6dB ) : 26 Hz Harmonic Distortion ( 90dB, 1m ) : <1% 33 Hz & Above, <0.5% 80 Hz - 20 KHz |
Variable Frequency 40Hz - 160Hz Frequency Range Free Field ( -6dB ): 18Hz Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode |
| Maximum Power Input | NA |
AC 100V - 120V / 220V - 240V ~50/60Hz |
| Maximum Power Output | 15 - 300 W ( RMS ) Three-Way Bass Reflex |
2 X 500 W ( RMS ) Class D Internal Volume 23L |
| Signal to Noise Ratio | 113 dB |
110dB |
| Noise Cancelling | ||
| Aux Connectivity | No |
No |
| Weight | 36.5 Kg |
34 Kg |
| Dimensions | Speaker : 1249 mm X 200 mm X 384 mm Terminal With Plinth : 1296 mm X 311 mm X 384 mm |
Speaker : 398 mm X 365 mm X 429 mm |
| Available Colors | Black, White, Brown |
Black |
| Accessories | KEF R11 Meta Home Theatre Speaker Port Bungs Microfiber Grille Plinth & Spike Accessories User Manual & Warranty Information |
KEF Reference 8B Subwoofer Power Cable Product Manual |
| Other Features | The R11 Meta is the largest floorstanding model of the R Series. Meta Material Absortion technology absorbs 99% of unwanted sound for the most pure and natural sound. For a breathtaking listening experience, the R11's combination of 12th generation Uni-Q driver array with MAT and four 6.5†hybrid aluminum bass drivers allow it to pick out the subtle details of a recording, while also delivering raw power and agility. |
LF Drive Unit : Equipped with 2 x 225 mm (9in.) low-frequency drive units, the subwoofer delivers powerful and impactful bass. Maximum Output : Capable of reaching a maximum output of 110dB at 1m and 50Hz, providing a dynamic and immersive bass experience. Low Pass Filter : Features a variable low pass filter with a frequency range from 40Hz to 160Hz, allowing users to customize the crossover point. Frequency Response : The frequency response at 90dB output in free-space mode is ±3dB from 24Hz, ensuring accurate and balanced bass reproduction. Amplifier : Powered by 2 x 500W Class D amplifiers with a switched mode power supply and DSP-based control section, delivering efficient and controlled power. Inputs & Connectivity: Provides versatile connectivity options with analog XLR socket, speaker level inputs, and a link out via RCA phono socket. The subwoofer’s net internal volume is 23L. |
Compare KEF R11 Meta with:
Compare KEF Refrence 8B Subwoofer with:
Top Differences
- Sound Output: 15W vs 2W
- Channels: 15 vs 2
- Bluetooth: yes vs no
- Frequency Response: Crossover Frequency : 330 Hz, 2.5 KHz Frequency Range ( -6dB ) : 30 Hz - 50 KHz Frequency Response ( ±3dB ) : 46 Hz - 28 KHz Typical In-Room Bass Response ( -6dB ) : 26 Hz Harmonic Distortion ( 90dB, 1m ) : <1% 33 Hz & Above, <0.5% 80 Hz - 20 KHz vs Variable Frequency 40Hz - 160Hz Frequency Range Free Field ( -6dB ): 18Hz Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode
- Subwoofer Size: 125 mm vs 2 mm
