B&W DS7 Manual Del Usuario página 41

Technical Features
Description
Drive units
Frequency range
Frequency response
Dispersion
Sensitivity
Harmonic distortion
Nominal impedance
Crossover frequencies
Power handling
Max. recommended cable impedance
Dimensions
Net Weight
40
DS7
Nautilus™ tweeter
Kevlar® brand fibre cone bass/midrange
2-way closed-box selectable dipole/monopole surround system
1x ø25mm (1 in) alloy dome high-frequency
2x ø100mm (4 in) midrange/highfrequency
1x ø165mm (6.5 in) woven Kevlar® cone bass/midrange
-6dB at 60Hz and 42kHz (monopole mode)
-6dB at 60Hz and 15kHz (dipole mode)
80Hz – 22kHz ±3dB on reference axis (monopole mode)
80Hz – 10kHz ±3dB power averaged over front hemisphere (dipole mode)
Monopole mode: Within 2dB of reference response
Horizontal: over 40˚ arc
Vertical: over 10˚ arc
Dipole mode: horizontal figure of eight
Effective null zone ±30˚ (250Hz-15kHz)
89dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 110Hz – 20kHz
8Ω (minimum 3.0Ω)
4kHz (monopole mode)
250Hz (dipole mode)
25W – 120W into 8Ω on unclipped programme
0.1Ω
Height: 302mm (11.9 in)
Width: 383mm (15.1 in)
Depth: 200mm (7.9 in)
8.5 kg (19 lb)