| Content |
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.
| Model |
Kube12b Subwoofer |
| DESIGN |
Powered Subwoofer |
| DRIVE UNITS |
1 x 300mm (12in.) |
| FREQUENCY RANGE |
22Hz - 140Hz (±3dB) |
| MAXIMUM OUTPUT |
114dB |
| AMPLIFIER TYPE |
Built-in Class-D |
| AMPLIFIER OUTPUT POWER |
300W RMS |
| VARIABLE LOW PASS FILTER |
40Hz - 140Hz & LFE |
| ANALOGUE INPUT |
RCA phono sockets
Speaker level inputs |
| POWER REQUIREMENTS |
100V - 120V / 220V - 240V ~ 50 / 60Hz |
| DIMENSIONS |
(with Rear panel and feet / H x W x D)
410 x 393 x 410mm (16.1 x 15.5 x 16.1in.) |
| WEIGHT |
20.6kg |
|
Crossover Tuning
Mushrooms
Description Active closed-box subwoofer system
Drive unit ø250mm (10 in) paper/Kevlar® cone long-throw
Frequency range -6dB at 18Hz and 25/140Hz adjustable (EQ at A)
Frequency response ±3dB 25Hz – 40/140Hz adjustable (EQ at A)
Bass Extension -6dB at 18Hz (position A)
-6dB at 23Hz (position B)
-6dB at 28Hz (position C)
Amplifier Power output: 500W
Rated power consumption: 98W / 1W standby
Input impedance: 33kΩ
Signal / noise: >90dB
Functions: Input level (line in)
Input level (speaker in)
Low-pass filter frequency (line in only)
Low-pass filter bypass
Bass extension
Bass roll-off alignment
Auto sense on/standby
Phase switch
Inputs: Line In (RCA Phono)
Speaker in (Binding post)
12v trigger (3.5mm jack)
Low-pass filter
Active 4th-order, variable cut-off frequency
Dimensions Height: 325mm (12.8 in) not including feet
Width: 325mm (12.8 in)
Depth: 375mm (14.8 in) including grille and controls
Net weight 15.5kg (34.4 lb)
Finishes Matte Black
| For big sound in smaller spaces, you canʼt beat the ASW608, the most compact of the 600 Series subwoofers.
Its long-throw 200mm driver allows the ASW608 to move the large volumes of air needed for high-quality low-frequency output, and its audiophile-standard 200W Class D amplifier keeps the 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 slamm
| Description |
Active closed-box subwoofer system |
| Drive unit |
ø200mm (8 in) paper/Kevlar® cone long-throw |
| Frequency range |
-6dB at 23Hz and 25/140Hz adjustable (EQ at A) |
| Frequency response |
±3dB 32Hz – 40/140Hz adjustable (EQ at A) |
| Bass Extension |
-6dB at 23Hz (position A) |
|
-6dB at 28Hz (position B) |
|
-6dB at 36Hz (position C) |
| Amplifier |
Power output: 200W |
| Rated power consumption: |
40W/ 0.5W standby |
| Input impedance: |
33kW |
| Signal / noise: |
>90dB |
| Functions: |
Volume level – line in |
|
Volume level – speaker in |
|
Low-pass filter frequency – line in only |
|
Low-pass filter bypass |
|
Bass extension |
|
Bass roll-off alignment |
|
Auto sense on/standby |
|
Phase switch |
| Inputs: |
Line In (RCA Phono) |
|
Speaker in (Binding post) |
|
12v trigger (3.5mm jack) |
|
Low-pass filter |
|
Active 4th-order, variable cut-off frequency |
| Dimensions |
Height: 260mm (10.2 in) not including feet |
|
Width: 260mm (10.2 in) |
|
Depth: 330mm (13 in) including grille and controls |
| Net weight |
8.85kg (19.5 lb) |
| Finishes |
Black Ash Vinyl |
|
Red Cherry Vinyl |
|
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)
|
Dimensions | Metric :12” W x 12” D x 12-1/2” H | 30.5 x 30.5 x 31.8 cm
Driver Complement :One high-definition 8" long throw woofer, pressure coupled to two 8” low bass radiators
Frequency Response :14 Hz – 200 Hz
Internal Amplifier Power :1250 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 :42 lbs | 19.0 kg
Warranty :5 Years; 3 Years for Amplifiers | Product Series Subwoofers
Speaker Type Subwoofer
Frequency Range (+/-3 dB) [Hz] 28 - 190
Maximum SPL [dB] 112
Crossover Frequency [Hz] 40 - 120 Hz
Low Frequency Driver 1 x 12" long stroke Polymere Aluminimum
Enclosure Type Bass Reflex
Bass Reflex Tuning Frequency [Hz] 36.0
Max. Amplifier Power Output [RMS watt] 220
Continous IEC Power Output [RMS watt] 170
Input Impedance [Ω] 25K
Connection input(s) Mono line level (LFE)
Stereo line level (low pass filtered)
RCA
Magnetic Shielding No
Recommended Placement Floor
Near wall or corner
Recommended Distance From Wall [cm] > 5
Functions Crossover Frequency
Phase Switch
Standby (Auto Power) On/Off Switch
Volume (Gain)
Maximum Power Consumption [W] 250
Max. Dimensions Incl. Base And Grille (HxWxD) [mm] 370 x 340 x 380
Weight [kg] 14.7
Accessories Included Manual
Rubber Bumpers
Spikes M6
Finish Black Ash Vinyl
Light Walnut Vinyl
White Vinyl |
Reviews
There are no reviews yet.