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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 |
|
Technical features 500W class 'D' power amplifier
Description Active closed-box subwoofer system
Drive unit 1x f250mm (10 in) paper / Kevlar® cone long-throw
Frequency range -6dB at 18Hz and 40/140Hz adjustable (EQ at A)
Frequency response ±3dB 25Hz – 40/140Hz adjustable (EQ at A)
Power output: 500W
Rated power consumption: 94W
Input impedance: 33kΩ
Signal / noise: >80dB
Functions: Input Level (line in)
Input Level (speaker in)
Low-pass filter frequency
Low-pass filter bypass (line in only)
Bass extension
Bass roll-off alignment
Auto sense on/standby
Phase switch
Inputs: Line In (RCA Phono)
Speaker Level In (Binding post)
Low-pass filter Active 4th-order, variable cut-off frequency
Height: 325mm 12.8 in)
Width: 325mm (12.8 in)
Depth: 362mm (14.3 in)
Net weight 15.5kg (34.4 lb)
Cabinet Gloss Black
AVAILABLE IN gloss black,wenge,rozenut COLORS
| 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 |
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Amplifier Output: 1000 watts (RMS) 2000 watts (Peak)
Frequency Response: 16Hz to 40/160Hz variable
Crossover (Low Pass): 40Hz - 160Hz Variable slope characteristic from
12 - 36dB/Octave
Sub-Sonic Filter (High Pass): 16Hz - 31Hz
EQ: 4 x Presets 1 x User Setting
Equalisation: Graphic 9 band Equaliser ±6dB in 0.5dB steps
Volume Level: -80 - 0dB (1dB increments from 0 to -30dB & 2dB
increments from -31 to -80dB)
Auto Sensing Input Requirements: Line Level>5mV (RMS) Variable delay time
5, 10, 15, 20, 25 & 30 minutes
Variable Phase Control: 0. 45. 90, 135, 180, 225, 270 & 315º
Internal Memory: 3 Independent memory locations
Cabinet Specification:
Sealed Cabinet with 25mm thick M.D.F
construction with critical internal bracing
Amplifier Classification:
Class-D amplifier with DSP control
Driver Complement:
1 x 15" C-CAM long throw sub-woofer driver featuring triple suspension and a 4" long throw voice coil
External Dimensions -
Excluding Plinth: Width: 485mm (19 inches)
Height: 455mm (18 inches)
Depth: 475mm (18 3/4 inches)
Weight: 50 Kg (110lbs)
Mains input Voltage: 100 - 240 Vac 50/60Hz (Factory Set)
Trigger Input:
3.5mm Jack input, +12Vdc = On State
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Dimensions | Metric :10-5/16” W x 15-3/4” D x 12-7/8” H | 26.2 x 40.0 x 32.7 cm
Driver Complement :One high-definition 8" woofer pressure coupled to one 8" low bass radiator.
Frequency Response :20 Hz – 150 Hz
Internal Amplifier Power :300 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
Low Level Inputs :One LFE input (for SW preout only)
High Pass Crossover :Non Variable 6 dB/octave @ 80 Hz: Available only with high level inputs and outputs
Low Pass Crossover% :24 dB/octave, continuously variable from 40 Hz – 150 Hz: Available with high level inputs only
Available Finishes :Matte Black; Matte White
Fuse :3.2 amp 250 volt Slo Blo (US) | 2 amp 250 volt Slo Blo (International)
Packaging :Packaged individually or as part of ProCinema 800 system
Weight | Metric :26 lbs | 11.8 kg
Warranty :5 Years; 3 Years for Amplifiers
|
Dimensions | Metric :12” W x 17-7/8” D x 14-7/16” H | 30.5 x 45.4 x 36.7 cm
Driver Complement :One high-definition 10" woofer pressure coupled to one 10" low bass radiator.
Frequency Response :18Hz – 150 Hz
Internal Amplifier Power :300 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
Low Level Inputs :One LFE input (for SW preout only)
High Pass Crossover :Non Variable 6 dB/octave @ 80 Hz: Available only with high level inputs and outputs
Low Pass Crossover% :24 dB/octave, continuously variable from 40 Hz – 150 Hz: Available with high level inputs only
Available Finishes :Matte Black
Fuse :3.2 amp 250 volt Slo Blo (US) | 2 amp 250 volt Slo Blo (International)
Packaging :One to a carton
Weight | Metric :31 lbs | 14.1 kg
Warranty :5 Years; 3 Years for Amplifiers
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