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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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Impact Series: High Performance, High Value Subwoofers
The down-firing port on the Impact-12 gives more bass output with less distortion than similarly priced subwoofer from other companies. With its 275 watts of amplifier focused on the 29 Hz to 140 Hz frequencies, you get a ton of bass for you dollar. You can blend the Impact-12 with your satellite speakers using the adjustable low pass crossover frequency feature. All this great sound is wrapped up in an attractive black ash wood grain colored cabinet with black gloss trim.
Features
- Compact, stylish cabinet; high-value subwoofer
- High quality, long throw drivers
- 12" forward firing coated fiber woofer
- Down-firing port minimizes distortion
- 2" copper-wound voice coils for exceptional reliability
- “Green” MDP amp rated at 275 watts Dynamic power
Length |
No |
Accessories |
N/A |
Amplifier |
165 watts RMS, 275 watts Dynamic Power |
Auto On/Off |
Yes |
Cabinet Design |
N/A |
Color |
Black Ash Wood Grain |
Dimensions: (H/W/D) |
15.1" x 14.2" x 18.9" (38.4 x 36 x 48 cm) |
Frequency Response (+/-3 dB) |
29-140 Hz |
HiPass Crossover |
Full Range |
LoPass Crossover |
50 Hz-200 Hz |
Phase Control |
0, 180 Degrees |
Removable Grille |
Yes |
Shipping Weight |
33 lbs. (15 kg) |
Size |
Large |
Voice Coil |
2" dual layer copper-wound |
Warranty (N. Am.) |
Two years (electronics & drivers - parts & labor) |
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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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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)
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The SX-120 subwoofer was designed from the ground up by our engineers in London, with a custom-designed 8-inch driver and a powerful 70W RMS amplifier. Components were hand picked by our in-house engineers and then painstakingly voiced to provide premium sound quality
Features Rigid MDF cabinet 70W RMS amplifier 8-inch long-throw woofer Individual controls to tailor volume, crossover frequency and phase adjustment
Sensitivity 180mV for full power output Frequency response 34Hz - 150Hz Rated output power 70W Drive units 1 x 8" (203mm) long throw woofer Crossover 50 - 150Hz continuous/active Max. power consumption 100W Colour Black Dimensions (WxHxD) 300 x 300 x 310mm (11.8 x 11.8 x 12.2“) Weight 7.7kg (17lbs) |
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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