KEF Reference 8b Subwoofer

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Kef


Type: Subwoofers

KEF Reference 8b Subwoofer

Twin 9 inches driver 'force-cancelling' subwoofer

Delivering exceptional bass precision and control with zero distortion, Reference 8b is a truly extraordinary subwoofer.

Sound

For power with accuracy the Reference 8b sub has two 500W Class D amplifiers, each driving a 228mm (9 inch) long-throw, ultra-low distortion driver. These are connected back-to-back in a heavily braced, acoustically inert cabinet. The result is low distortion bass with effortless body and weight.

PRODUCT SHEET

CABINET FINISH

Deep Piano Black

 

WEIGHT

34kg (75lbs.)    

DIMENSION

H x W x D : 398 x 365 x 429 mm (15.7 x 14.4 x 16.8 in.)    

UNIT MEASUREMENT

Pair

INPUTS

RCA phono sockets
Analog XLR socket
Speaker level inputs

FREQUENCY RANGE

Free Field: 18Hz (-6dB)

FREQUENCY RESPONSE

24Hz at 90dB output in free-space mode (±3dB)    

NET INTERNAL VOLUME

23L  

MAXIMUM OUTPUT

110dB (peak sound pressure level at 1m 50Hz)  

AMPLIFIER TYPE

2 x 500W Class D with switched mode power supply and DSP based control section  

DRIVE UNITS

LF 2 x 225 mm (9in.)

POWER REQUIREMENTS

100V - 120V / 220V - 240V ~50/60Hz  

POWER CONSUMPTION

1000W
 

LINK OUT

RCA phono socket

VARIABLE LOW PASS FILTER

Variable frequency: 40Hz to 160Hz
Variable slope: 12dB/oct, 18dB/oct, 24dB/oct
LFE mode: 350Hz, 18dB/oct

 

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