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B & W 684 Speakers

B & W 684 Speakers

The extended bass response and output capacity of the 2½-way 684 floorstander make it a great choice for hi-fi or home cinema in medium-sized to large rooms.

It features a new combination of a pair of Kevlar® cones for delivering its bass and midrange. The lower cone is dedicated to bass, which relieves the upper bass/midrange unit of the duty to handle heavy bass and leads to clearer, crisper midrange than you might find in smaller speakers. The Nautilus™ tube-loaded, aluminium dome tweeter, featuring a new surround material to improve spaciousness and imaging, adds needle-sharp top end all the way to 50kHz and beyond.

The improvements to the drive units in the new 600 Series make it possible, for the first time, to introduce a minimalist crossover to the range. The use of components that are fewer in number but higher in quality – hand-picked in exhaustive listening tests – reduces the degradation of the signal significantly. So, whether you’re enjoying hi-fi or home cinema, what you hear is that much closer to what was recorded.

Visually, a refreshed, contemporary design language and a widened choice of wood finishes allows the 684 to fit in effortlessly with any interior.

B & W 684 Speakers

 

684 Specifications

Technical features
Nautilus™ tube loaded aluminium dome tweeter
Kevlar® brand fibre cone bass/midrange
Kevlar® brand fibre cone bass driver
Flowport™
Description
2½ -way vented-box system
Drive units
1x ø25mm (1 in) aluminium dome high-frequency
1x ø165mm (6.5 in) woven Kevlar® cone bass/mid
1x ø165mm (6.5 in) woven Kevlar® cone bass
Frequency range
-6dB at 34Hz and 50kHz
Frequency response
44Hz - 22kHz ±3dB on reference axis
Dispersion
Within 2dB of reference response
    Horizontal: over 60º arc
    Vertical: over 10º arc
Sensitivity
90dB spl (2.83V, 1m)
Harmonic distortion
2nd and 3rd harmonics (90dB, 1m)
    <1% 90Hz - 22kHz
    <0.5% 120Hz - 20kHz
Nominal impedance
8Ω (minimum 3.0Ω)
Crossover frequencies
150Hz, 4kHz
Recommended amplifier power 25W - 150W into 8Ω on unclipped programme
Dimensions
Height: 910mm/35.8" (not including plinth or feet)
Width: 198mm/7.8
 Depth: 300mm/11.8
Net weight   
18.2kg (40.1lb)

 


Brand: B & W Speakers

 

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