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 subwoofer.
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
