| Brand | KEF | KEF |
| Model No | Refrence 8B Subwoofer | R7 Meta |
| Wired / Wireless | Home Theatre Speaker Specification | Home Theatre Speaker Specification |
| Driver Type | Dynamic | Dynamic |
| |
| Driver Diameter | 2 X 225 mm | Uni-Q Driver Array
MF: 125 mm Aluminum Cone
HF: 25 mm Vented Aluminum Dome With MAT
Bass Unit: LF : 2 X 165 mm Hybrid Aluminum Cone |
| Impedance | NA | 4 Ohms ( Min. 3.2 Ohms ) |
| Sensitivity | NA | 88 dB |
| Frequency Response | Variable Frequency 40Hz - 160Hz
Frequency Range Free Field ( -6dB ): 18Hz
Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode | Frequency Response ( ±3dB ) : 48 Hz - 28 KHz
Frequency Range ( -6dB ) : 33 Hz - 50 KHz
Crossover Frequency : 500 Hz, 2.4 KHz
Typical In-Room Bass Response ( -6dB ) 27 Hz |
| Maximum Power Input | AC 100V - 120V / 220V - 240V ~50/60Hz | NA |
| Maximum Power Output | 2 X 500 W ( RMS ) Class D
Internal Volume 23L | 15 - 250 W ( RMS )
Three-Way Bass Reflex |
| Signal to Noise Ratio | 110dB | 111 dB |
| |
| Noise Cancelling | | |
| Aux Connectivity | No | No |
| Weight | 34 Kg | 29.3 Kg |
| Dimensions | Speaker : 398 mm X 365 mm X 429 mm | Speaker : 1062 mm X 200 mm X 384 mm
With Terminal With Plinth : 1109 mm X 311 mm X 384 mm |
| Available Colors | Black | Black, White, Grey, Brown |
| Accessories | KEF Reference 8B Subwoofer
Power Cable
Product Manual | KEF R7 Meta Home Theatre Speaker
Port Bungs
User Manual
Microfiber Grille
Warranty Information
Plinth & Spike Accessories |
| Other Features | 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. | The R7 Meta is the mid-sized floor standing member of the R Series and is as powerful as it is flexible.
Meta Material Absorption technology absorbs 99% of unwanted sound for the most pure and natural sound.
R7 Meta features KEF's 12th generation Uni-Q driver array with MAT ensures a crystal-clear performance with music and movies alike, while its two 6.5†hybrid aluminum bass drivers deliver accurate, dynamic bass. |
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