KEF - Reference 8b

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KEF - Reference 8b Twin 9 inch Drivers 'force-cancelling' Subwoofer Delivering exceptional bass precision and control with zero distortion, Reference 8b is a truly extraordinary su bwoofer. The Refernce 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. Feature Set Includes: * Weight - 75lbs. * Dimension - H x W x D : 15.7" x 14.4" x 16.8" * Finishes - Deep Piano Black * 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 500 W Class D with switched mode power supply and DSP based control section * Drive Units - LF 2 x 225 mm (9in.) * Power Consumption - 1000W * Variable Low Pass Filter * Variable frequency: 40Hz to 160Hz * Variable slope: 12dB/oct, 18dB/oct, 24dB/oct * LFE mode: 350Hz, 18dB/oct Show more