KEF KUBE 12B Active subwoofer 12inch 300W

Explore new dimensions in sound with Kube, KEF’s powerful range of subwoofers that open up sound’s hidden depths.

Each elegantly designed, fully sealed unit unleashes explosive power effortlessly, intuitively, intelligently. iBX technology extends the bass depth dynamically, unlocking the full potential of the driver’s power at normal listening levels or even the most extreme. And with KEF’s unique capability to design, build and integrate the driver in-house, we take optimisation to a whole new level. Delivering immersive music and home theatre sounds that drive you deeper into the heart of the performance.

Dimensions | Metric :16-3/4” W x 16-3/4” D x 16-15/16” H | 42.5 x 42.5 x 43.0 cm
Driver Complement :One high-definition 14" long throw woofer, pressure coupled to two 14” low bass radiators
Frequency Response :11 Hz – 200 Hz
Internal Amplifier Power :1800 watts
Auto On / Off :Signal Sensing (US) | Signal Sensing and Switched (International)
Power Requirements :110 volts Alternating Current (US) | 220 volts Alternating Current (International)
High Level Inputs :Two pairs of 5 way binding posts
High Level Outputs :Two pairs of 5 way binding posts
Subwoofer Inputs :One LFE input (for SW preout only)
Low Level Inputs :Two low level inputs: left and right low level in
Low Level Outputs :Two low level outputs: left and right low level out
High Level High Pass Crossover :Non Variable 6 dB/octave @ 80 Hz: Available only with high level inputs and outputs only
Low Level High Pass Crossover :12 dB/octave continuously variable from 40 Hz to 150 Hz: Available only with low level inputs and outputs
Low Pass Crossover% :24 dB/octave continuously variable from 40 Hz – 150 Hz: Available only with high level inputs and outputs or low level inputs and outputs
Available Finishes :Piano-Gloss Black
Accessories :Rubber feet; Isolation spikes
Fuse :8 amp 250 volt Slo Blo (US) | 4 amp 250 volt Slo Blo (International)
Weight | Metric :97 lbs | 44.0 kg
Warranty :5 Years; 3 Years for Amplifiers

Description    Active balanced-drive closed-box subwoofer system
Drive units    2x Ø300mm (12 in) Rohacell® cone long-throw
Frequency range    -6dB at 15Hz and 250Hz
Frequency response    ±3dB 17Hz - 145Hz
Power output:    1000W
Rated power consumption:    135W
Standby power Consumption:    100dB
Functions:    5 Presets
Input sensitivity
Gain
Low-pass filter
Graphic equalisation
Room compensation
Auto on/standby
Trigger on/standby
Trigger preset switching
RS-232 automation control
Inputs:    Stereo Line In (2x RCA Phono)
Mono (LFE) Line In (RCA Phono)
Mono (LFE) Line In (XLR balanced)
Dimensions    Height:490mm (19.3 in) not including feet
Width: 460mm (18.1 in) including grilles
Depth: 410mm (16.2 in) including controls
Net weight    44kg (97 lb)
Cabinet finish    Gloss Black
Cherrywood
Rosenut
Grille    Black cloth

ALSO AVAILABLE IN  Cherrywood, rosenut

The ASW610 subwoofer presents a very happy medium between the more diminutive ASW608 and the all-out power of the ASW610XP. Its long-throw 250mm driver allows the ASW610 to move the large volumes of air needed for high-quality low-frequency output, and its audiophile-standard 200W Class D amplifier keeps the compact unit running cool, even when the music or movie action is whipping up a storm.

In all of the 600 Series subwoofers, the bass driver diaphragms are constructed from a rugged, finely-tuned mix of paper pulp, Kevlar® fibres and resin, which provides the stiffness needed to withstand the tremendous physical forces exerted by the voice coil and pressures inside the cabinet.

Ultra-solid construction delivers slamming bass, drum kicks, and special movie effects. Deformation is minimised; bass precision, power and enjoyment are maximised.

Type     Advanced YST II and QD-Bass Subwoofer
Driver     25cm(10'') cone
Dynamic Power     250 W
Frequency Response     20-160 Hz
Advanced YST     Advanced YST II
QD-Bass Technology     Front-firing
High-Efficiency Power Amplifier     Yes
Linear Port     Yes
BASS (Bass Action Selector System)     Yes
Standby Power Consumption     0.3 W
Dimensions (W x H x D)     380 x 368 x 420 mm
Weight     18.5 kg

    Pressure vessel enclosure

500W ICEpower® amplifier
Switch mode power supply
Description     Active closed-box subwoofer system
Drive unit     2x f200mm (8 in) mica / aluminium diaphragm long-throw
Frequency range     -6dB at 18Hz and 40/140Hz adjustable (EQ at i)
Frequency response     ±3dB 21Hz – 31/110Hz adjustable (EQ at i)
Power output:     500W
Rated power consumption:     110W (105W - 100V version)
Input impedance:     100kΩ
Signal / noise:     >90dB
Functions:     Volume level
Low-pass filter frequency
Bass roll-off alignment
Auto sense on/standby
Phase switch
Inputs:     Line In (RCA Phono)
Speaker Level In (FCC68 4/4)