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KEF R400b Subwoofer
At just 14 inches square, the KEF R400b may be compact, yet it packs an incredible punch. With a reinforced and braced sealed cabinet, the R400b houses twin 9-inch LF drivers powered by twin 250W class-D amplifiers. The drivers are mounted back-to-back, to create ʽforce cancellingʼ. This means the opposing reactive forces are nullified, resulting in no cabinet agitation and a clean, fast, powerful bass performance – perfect for any serious home theatre system.
| | Model | R400b | | Design | Powered Subwoofer (Sealed)
| | Drive Units | Bass units:
LF: 2 x 225mm (9in.) | | Frequency range (-6dB) | 26Hz - 140Hz | | Maximum output | 111dB | | Amplifier | 2 x 250W (500W)
built-in Class-D
| | Low pass filter Variable | 40Hz - 140Hz, 4th-order | | Low level signal inputs | RCA phono sockets
Speaker level inputs | | Internal volume | 22 litres | | Power requirements | 100V - 120V / 220V - 240V
~ 50 / 60Hz | | Power consumption | 600VA | | Weight | 21.5kg (47.4lbs.) | Dimension (H x W x D)
(with terminal & plinth) | 365 x 330 x 351 mm
(14.4 x 13 x 13.8 in.) |
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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 ASW610 subwoofer presents a very happy medium between the more diminutive ASW608 and the all-out power of the ASW610XP. Its long-throw 250mm driver allows the ASW610 to move the large volumes of air needed for high-quality low-frequency output, and its audiophile-standard 200W Class D amplifier keeps the compact 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 slamming bass, drum kicks, and special movie effects. Deformation is minimised; bass precision, power and enjoyment are maximised.
| Description | Active closed-box subwoofer system |
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| Drive unit | ø250mm (10 in) paper/Kevlar® cone long-throw | | Frequency range | -6dB at 20Hz and 25/140Hz adjustable (EQ at A) | | Frequency response | ±3dB 27Hz – 40/140Hz adjustable (EQ at A) | | Bass Extension | -6dB at 20Hz (position A) |
| -6dB at 25Hz (position B) |
| -6dB at 30Hz (position C) | | Amplifier |
| | Power output: | 200W | | Rated power consumption: | 40W / 0.5W 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: 310mm (12.2 in) not including feet |
| Width: 310mm (12.2 in) |
| Depth: 375mm (14.8 in) including grille and controls | | Net weight | 12.5kg (27.6 lb) | | Finishes | Black Ash Vinyl |
| Red Cherry Vinyl | |
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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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
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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) |
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