REFERENCE8b Subwoofer
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.
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 HxWxD: 398x365x429 mm (15.7x14.4x16.8 in).
WEIGHT: 35kg (77.2lbs).