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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 |
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With the Impact-Mini you get amazing bass in a tiny cabinet that is almost the same size as the MiniVee-8, but at a very budget-friendly price. This engineering marvel is lightweight with an aluminum cone, furniture-quality cabinet finish and concentrates its 300 watts of output power in the 38 Hz to 140 Hz range. This is Velodyne's lightest weight subwoofer and includes an adjustable low pass crossover frequency so you can easily match the Impact-Mini to your satellite speakers.
Features
Compact, stylish cabinet; high-value subwoofer
6.5" active and 8" passive andonized aluminum woofers
High quality, long throw drivers
2" copper-wound voice coil for exceptional reliability
Down-firing bass radiator for more output, less distortion
"Green” MDP amp rated at 300 watts Dynamic power
User's Manual Specifications
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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
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Length No
Accessories Mic, mic stand, remote control
Amplifier 360 watts Dynamic/180 watts RMS Power
Auto On/Off Yes
Cabinet Design Extended Excursion Down-firing port
Color Black Ash Wood Grain
Dimensions: (H/W/D) 14.5" x 13.25" x 14.875" (36.8 x 33.7 x 37.8 cm)
HiPass Crossover 80 Hz*, 6 dB/octave
LoPass Crossover 40-120 Hz adjustable (12 dB octave, 24 dB ultimate)
Phase Control 0, 90, 180, 270 Degrees
Removable Grille Yes
Shipping Weight 31 lbs. (14 kg)
Size No
Voice Coil 2-Layer copper
Warranty (N. Am.) Two years (electronics & drivers - parts & labor)
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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
| 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) |
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-6dB at 28Hz (position B) |
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-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 |
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Volume level – speaker in |
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Low-pass filter frequency – line in only |
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Low-pass filter bypass |
|
Bass extension |
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Bass roll-off alignment |
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Auto sense on/standby |
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Phase switch |
| Inputs: |
Line In (RCA Phono) |
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Speaker in (Binding post) |
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12v trigger (3.5mm jack) |
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Low-pass filter |
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Active 4th-order, variable cut-off frequency |
| Dimensions |
Height: 260mm (10.2 in) not including feet |
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Width: 260mm (10.2 in) |
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Depth: 330mm (13 in) including grille and controls |
| Net weight |
8.85kg (19.5 lb) |
| Finishes |
Black Ash Vinyl |
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Red Cherry Vinyl |
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