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KEF Reference 8b Subwoofer in Black
In-store purchase only.
Specification
KEF Reference 8b Subwoofer in Black

KEF REFERENCE 8b delivers exceptional bass precision and control with zero distortion. Only a truly great subwoofer could do justice to THE REFERENCE standards of home theatre, and it does.

REFERENCE 8b
To experience the full impact of dramatic on-screen effects, bass definition and control are as important as extension. For power with accuracy, REFERENCE 8b sub boasts two 500W Class D amps, each driving a 228mm (9 inch) long-throw, ultra-low distortion driver, connected back-to-back in the heavily braced, acoustically inert cabinet. Only a truly great subwoofer could do justice to THE REFERENCE standards of home theatre, and it does.

THE REFERENCE
The standard by which others are judged, and to which they aspire. The perfect reproduction of recorded sound is what KEF's legendary THE REFERENCE Series has always stood for. And after 40 years of continuous development, THE REFERENCE has earned its name as the yardstick of high-end acoustic engineering.
 
If you're a perfectionist when it comes to enjoying movies or music, it's the one name that towers above the rest. THE REFERENCE. It speaks for itself.
 
Specification
 
DESIGN: Force cancelled closed box
DRIVE UNITS: LF 2 x 225 mm (9in.)
FREQUENCY RANGE Free Field: 18Hz (-6dB)
FREQUENCY RESPONSE: 24Hz at 90dB output in free-space mode (±3dB)
MAXIMUM OUTPUT: 110dB (peak sound pressure level at 1m 50Hz)
INPUTS RCA phono sockets
Analog XLR socket
Speaker level inputs
AMPLIFIER TYPE: 2 x 500 W Class D with switched mode power supply and DSP based control section
LOW PASS FILTER VARIABLE: Variable frequency: 40Hz to 160Hz 
Variable slope: 12dB/oct, 18dB/oct, 24dB/oct 
LFE mode: 350Hz, 18dB/oct
LINK OUT: RCA phono socket
NET INTERNAL VOLUME: 23L
POWER REQUIREMENTS: 100V - 120V / 220V - 240V ~50/60Hz
POWER CONSUMPTION: 1000W
DIMENSIONS: H x W x D : 398 x 365 x 429 mm (15.7 x 14.4 x 16.8 in.)
WEIGHT: 35kg (77.2lbs.)
UNIT MEASUREMENT: Pair
FINISHES: Deep Piano Black
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