Twin 9 inches driver 'force-cancelling' subwoofer
Delivering exceptional bass precision and control with zero distortion, Reference 8b is a truly extraordinary subwoofer.
Hand-built in Maidstone, UK.
*This product may take 12-14 weeks for delivery.
EXPLORE THE REFERENCE SERIESREFERENCE 8b
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.
The Details
SPECIFICATIONS
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
Finishes
Deep Piano Black
Inputs
RCA phono sockets
Analog XLR socket
Speaker level inputs
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 500 W 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
Variable slope: 12dB/oct, 18dB/oct, 24dB/oct
LFE mode: 350Hz, 18dB/oct
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
AWARDS & REVIEWS
HOME CINEMA CHOICE REFERENCE STATUS, HIGH END HERO
This system is British surround high-fidelity at the utter state-of-the-art. And it’s easily worthy of its Reference name. - 2016
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