Bowers & Wilkins Signature 7NT Installation Manual page 52

Technical features
Description
Frequency range
Frequency response
Nominal impedance
Crossover frequency
Recommended amplifier power
Cut-out size
Depth behind surface
52
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
Drive units 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
Sensitivity 88dB spl (2.83V, 1m)
8Ω (minimum 3.6Ω)
3.5kHz
150W continuous into 8Ω on unclipped programme
Frame size Height:
Width:
Height:
Width:
98mm (3.8 in)
Protrusion 3mm (0.1 in)
Net weight 3.0kg (6.6 lb)
371mm (14.6 in)
255mm (10 in)
333mm (13.1 in)
217mm (8.6 in)