Bowers & Wilkins Signature 7NT Instructions D'installation page 52

Technical features
Description
Drive units
Frequency range
Frequency response
Sensitivity
Nominal impedance
Crossover frequency
Recommended amplifier power
Frame size
Cut-out size
Depth behind surface
Protrusion
Net weight
52
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Signature 7NT
Nautilus™ tube-loaded aluminium dome tweeter
Kevlar® cone bass/midrange
Inverted drive unit configuration
EQ switch
Bi-wirable
2-way in-wall speaker system
1x ø25mm (1 in) Nautilus™ tube-loaded aluminium dome tweeter
1x ø180mm (7 in) woven Kevlar® cone bass/midrange
-6dB at 35Hz and 50kHz
40Hz - 25kHz ±3dB on reference axis
88dB spl (2.83V, 1m)
8Ω (minimum 3.6Ω)
3.5kHz
150W continuous into 8Ω on unclipped programme
Height: 371mm (14.6 in)
Width: 255mm (10 in)
Height: 333mm (13.1 in)
Width: 217mm (8.6 in)
98mm (3.8 in)
3mm (0.1 in)
3.0kg (6.6 lb)