Bowers & Wilkins 4 Portable Speaker User Manual


 
31
FPM2
FPM4
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
Nautilus
TM
tweeter
Kevlar
®
cone bass/midrange
2-way vented-box system
1x 25mm (1in) alloy dome high-frequency
1x 110mm (4in) Kevlar
®
cone bass/midrange
-6dB at 65Hz and 40kHz
80Hz - 20kHz ±3dB on reference axis
Within 2dB of response on reference axis
Horizontal: over 40° arc
Vertical: over 10° arc
86dB spl (2.83V, 1m)
2nd & 3rd harmonics (88dB,1m)
<1% 160Hz - 20kHz
<0.5% 200Hz - 10kHz
8(minimum 4)
2.7kHz
25W - 100W into 8on unclipped programme
0.1
Height: 259mm (10.2 in)
Width: 170mm (6.7 in)
Depth: 102mm (4 in)
including wall plate
2.7kg (6 lb)
Nautilus
TM
tweeter
Kevlar
®
cone bass/midrange
Flowport
2
1
/
2
-way vented-box system
1x 25mm (1in) alloy dome high-frequency
2x 110mm (4in) Kevlar
®
cone bass/midrange
-6dB at 65Hz and 42kHz
72Hz - 22kHz ±3dB on reference axis
Within 2dB of response on reference axis
Horizontal: over 40° arc
Vertical: over 10° arc
88dB spl (2.83V, 1m)
2nd & 3rd harmonics (88dB,1m)
<1% 100Hz - 20kHz
<0.5% 200Hz - 10kHz
8(minimum 4)
180Hz, 3.7kHz
25W-120W into 8on unclipped programme
0.1
Height: 563mm (22.2 in)
Width: 170mm (6.7 in)
Depth: 102mm (4 in)
including wall plate
4.8kg (10.5 lb)