B &W Bowers & Wilkins

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CM1 Specifications
Back Print
Woven Kevlar
Crossover Tuning
Nautilus Tapering Tube
Flowport
Mushrooms
FST
Tweeter on Top
Matrix
Rohacell
Diamond Tweeters
Sphere / Tube Enclosure
De-Coupling
Nautilus
Technical featuresNautilus™ tube loaded aluminium dome tweeter
Kevlar® brand fibre cone bass / midrange
Flowport™
Description2-way vented-box system
Drive units1x ø25mm (1 in) aluminium dome high-frequency
1x ø130mm (5 in) woven Kevlar® cone bass / midrange
Frequency range-6dB at 45Hz and 50kHz
Frequency response55Hz - 22kHz ±3dB on reference axis
DispersionWithin 2dB of reference response
Horizontal:over 60º arc
Vertical:over 10º arc
Sensitivity84dB spl (2.83V, 1m)
Harmonic distortion2nd and 3rd harmonics (90dB, 1m)
<1% 110Hz - 22kHz
Nominal impedance8Ω (minimum 5.1Ω)
Crossover frequency4kHz
Recommended amplifier power30W - 100W into 8Ω on unclipped programme
Max. recommended cable impedance0.1Ω
Dimensions
Height:280mm (11 in)
Width:165mm (6.5 in)
Depth:276mm (10.9 in) including grille and terminals
Net weight6.7kg (14.7 lb)
Finishes
Cabinet - Real Wood VeneersGrille
WengéBlack
RosenutBlack
Painted Finish
WhiteGrey
Gloss BlackBlack
Society of Sound
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