Bowers & Wilkins CM Serie Mode D'emploi page 51

Technical features
Frequency range
Frequency response
Harmonic distortion
Nominal impedance
Crossover frequencies
Recommended amplifier power
Max. recommended
cable impedance
48
CM Centre 2
Nautilus™ tube loaded aluminium dome tweeter
Kevlar® brand fibre FST midrange
Flowport™
Description 3-way vented-box system
Drive units 1x ø25mm (1 in) aluminium dome high-frequency
1x ø100mm (4 in) Kevlar® cone FST midrange
2x ø165mm (6.5 in) Paper/Kevlar® cone bass
-6dB at 40Hz and 50kHz
56Hz - 22kHz ±3dB on reference axis
Dispersion Within 2dB of reference response
Horizontal: over 60º arc
Vertical:
Sensitivity 89dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz - 22kHz
<0.5% 120Hz - 20kHz
8Ω (minimum 3Ω)
350Hz, 4kHz
30W - 200W into 8Ω on unclipped programme
0.1Ω
Dimensions Height:
Width:
Depth:
Net weight 18.7kg (41.1 lb)
over 20º arc
218mm (8.6 in)
590mm (23.2 in)
280mm (11 in) cabinet only
301mm (11.9 in) including grille and terminals