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.

imensions | Metric :14-1/4” W x 14-1/4” D x 14-1/10” H | 36.2 x 36.2 x 35.8 cm
Driver Complement :One high-definition 10" long throw woofer, pressure coupled to two 10” low bass radiators
Frequency Response :13 Hz – 200 Hz
Internal Amplifier Power :1500 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
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 :70 lbs | 31.8 kg
Warranty :5 Years; 3 Years for Amplifiers

Amplifier Output:    500 Watts (RMS) 1000 Watts (Peak)
Low Frequency Limit    27Hz (EQ1) 21Hz (EQ2)
Upper Frequency Limit    40 - 120Hz Variable
Variable Low Pass Filter Alignment    Active 4th order 24dB/octave (two-stage filter)
Cabinet Specification:    Sealed Cabinet with 25mm M.D.F construction and internal bracing.
Amplifier Classification:    Class-D amplifier
Driver Compliment:    1 x 12" C-CAM® sub-woofer driver featuring triple suspension and 3" long throw voice coil.
Dimensions:
(H x W x D)    340 x 340 x 410 mm
(13 3/8 x 13 3/8 x 16 1/8 inch)
Weight: (unpacked)    22.56Kg (49.63lbs)
Mains Input Voltage:    100 - 120 Vac, 220 - 240 Vac, 50/60Hz
Input Impedance    20Kohms

 User's Manual

 ΔΙΑΤΙΘΕΤΑΙ ΣΤΑ ΠΑΡΑΚΑΤΩ ΧΡΩΜΑΤΑ

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

    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)