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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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System Format: Sealed Cabinet. 25mm M.D.F construction with internal bracing. Sealed amplifier compartment Low Frequency Limit: 18 Hz Upper Frequency Limit: 40 - 120 Hz Variable Low Pass Filter Alignment: Active 4th order 24dB/octave (6/12/18/24 dB user adjustable) Amplifier Power Output 650 watts Continuous. 1200 watts (peak) Amplifier Classification D2AudioTM* DSP controlled, Class-D amplifier system. High current switch mode power supply (smpsu) Equalisation 4 Settings (Off/Music/Movie/Impact) Phase Control 0-90-180-270 degrees Auto Sensing Input Level Requirements Line Level > 2mV. Standby after 10 minutes if no signal sensed Digital Volume Level -60 to +10dB in 1dB increments Drive Unit Complement 1 x 15” C-CAM® sub-woofer driver featuring triple suspension 3” long throw voice coil 12V Trigger Input 3.5mm mono jack socket Connections Stereo RCA in/out LFE in/out 12V Trigger in (3.5mm mono jack) LEO* - 3.5mm Microphone input jack (microphone supplied) Input Impedance 20 kohms Dimensions (H x W x D) 430 x 400 x 400 mm (16 15/16 x 15 3/4 x 15 3/4 Inches) Grille Depth 28 mm (1 1/8 Inches) Weight (unpacked) 35.3 kg (77.6 lbs) Mains Input Voltage 100 - 120 Vac / 220 - 240 Vac 50/60 Hz (Factory preset) Electrical Certifications CE/CB/ETL/Fcc/ErP (Energy saving compliant) Power Consumption Maximum 1000W. Standby Fuse Type 20mm UL/VDE (Value is region specific) IR Remote Control Code NEC SH6122 AVAILABLE IN SIX COLOR FINISHES
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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
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Super-compact size
8" custom downfiring woofer
Wireless-ready!
Solid hand-finished, front-ported cabinet
Auto-sleep power saving mode
Dual line-level inputs (RCA and mini-jack)
All cables included
Excellent performance for music, movies,
and videogames
A perfect bass extension for Audioengine
powered speakers or any audio system!
Brand Name: Audioengine
Speaker Type: Subwoofer
Item Display Height: 11.3 in
Depth: 11.3 in
RMS Power Range - Speakers: 125 watts
Peak Power Handling - Speakers: 250 watts
Maximum Speaker Depth (inches): 11.3 in
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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
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Length No
Accessories Mic, mic stand, remote control
Amplifier 390 watts Dynamic/195 watts RMS Power
Auto On/Off Yes
Cabinet Design Extended Excursion Down-firing port
Color Black Ash Wood Grain
Dimensions: (H/W/D) 16.75” x 15.25” x 17” (includes feet and grille) (42.5 x 38.7 x 43.1 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 39 lbs. (18 Kg)
Size Large
Voice Coil 2-Layer copper
Warranty (N. Am.) Two years (electronics & drivers - parts & labor)
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