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B & W DS8S Surround Speakers

B & W DS8S Surround Speakers

Accommodating surround channels in the home usually involves mounting a speaker to the side or to the rear of the listening room. In larger 6- or 7-channel systems, it may even involve both. In order to maximise the quality of each location, the DS8S has been designed to operate as either a monopole or dipole design. For use at the side of a room, the diffuse dipole mode gives a more cinematic feel, yet at the rear of a room, the direct monopole mode gives better directional information.

In monopole mode, the DS8S is a 2-way system, using a Kevlar® cone bass/midrange driver and  tube-loaded aluminium dome tweeter mounted on the front of the cabinet. In dipole mode, the front tweeter is switched off and the side firing midrange and tweeter units come into play. The system is then a 3-way, with the front main driver acting only as a bass unit.

Switching between the two modes can be done manually, using a switch on the front of the speaker, or more conveniently by means of a 12V trigger.

DS8S Specifications

 

Features  Woven Kevlar   
Crossover Tuning   
Nautilus Tapering Tube
Technical Features
Tube-loaded aluminium dome tweeter
Kevlar® brand fibre cone bass / midrange
Matrix™ cabinet
Bracket for on-wall mounting included
Description
2-way closed-box selectable dipole / monopole surround system
Drive units
3x ø25mm (1 in) aluminium dome high-frequency
2x ø100mm (4 in) woven Kevlar® cone midrange
1x ø180mm (7 in) woven Kevlar® cone bass / midrange
Frequency range
-6dB at 45Hz and 50kHz (monopole mode)
-6dB at 45Hz and 18kHz (dipole mode)
Frequency response
60Hz - 22kHz ±3dB on reference axis (monopole mode)
Dispersion

Monopole mode: within 2dB of reference response
Horizontal:    over 40º arc
Vertical:    over 10º arc

Dipole mode: horizontal figure of eight
Effective null zone ±30º (250Hz - 15kHz)

Sensitivity
89dB spl (2.83V, 1m)
Harmonic Distortion
2nd and 3rd harmonics (90dB, 1m)
    <1%120Hz - 22kHz
    <0.5% 150Hz - 20kHz
Nominal Impedance
8Ω (minimum 4.4Ω)
Crossover frequencies
4kHz (monopole mode)
    250Hz & 4kHz (dipole mode)
Recommended Amplifier Power
25W - 120W into 8Ω on unclipped programme
Dimensions
 
Height:    360mm (14.2 in)
Width:    622mm (24.5 in)
Depth:    205mm (8.1 in)

Net weight
15kg (33 lb)

 

   


Brand: B & W Speakers

 

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