Product Datasheet/Brochure

Features
Formidable 56bit 50 MIPS DSP preamplier
iBX Intelligent Bass Extension: The DSP analyses your input signal and
applies KEF’s iBX, allowing the subwoofer to play louder and remain
dynamic at any listening level
Sophisticated proprietary DSP programming developed by KEF’s UK
engineering team
KEF smartConnect intelligent inputs automatically detect mono or stereo
and adjust the subwoofer volume level accordingly
Sealed for greater accuracy and delicate musical detail while allowing the
Kube subwoofers to be installed in a cabinet
Placement tuning presets for: Free standing, Wall/in-cabinet and Corner
meaning the Kube sounds perfect wherever it’s installed
Imposing 300Watt Class D amplier with DSP preamplier/EQ
KEF reserves the right, in line with continuing research and development, to amend or change specications. E&OE.
Visit: KEF.COM for more about KEF and its products.
Specications
Model Kube12b Kube10b Kube8b
Design Powered Subwoofer (sealed) Powered Subwoofer (sealed) Powered Subwoofer (sealed)
Drive units 1 x 300mm (12in.) 1 x 250mm (10in.) 1 x 200mm (8in.)
Frequency response 22Hz - 140Hz (±3dB) 24Hz - 140Hz (±3dB) 34Hz - 140Hz (-6dB)
Maximum output 114dB 111dB 105dB
Amplier type Built-in Class-D Built-in Class-D Built-in Class-D
Amplier power 300W RMS 300W RMS 300W RMS
Variable low pass lter 40Hz - 140Hz & LFE 40Hz - 140Hz & LFE 40Hz - 140Hz & LFE
Inputs RCA phono sockets
Speaker level inputs
RCA phono sockets
Speaker level inputs
RCA phono sockets
Speaker level inputs
Power requirements 100V - 120V / 220V - 240V
~ 50 / 60Hz
100V - 120V / 220V - 240V
~ 50 / 60Hz
100V - 120V / 220V - 240V
~ 50 / 60Hz
Dimension (H x W x D)
with rear panel and feet
410 x 393 x 410 mm
16.1 x 15.5 x 16.1 in.
370 x 353 x 370 mm
14.6 x 13.9 x 14.6 in.
293 x 293 x 310 mm
11.5 x 11.5 x 12.2 in.
Weight 20.6kg 17.4kg 11.3kg