Bowers & Wilkins owner manual CM4 CM6

	CM4	CM6
Technical Features	Nautilus™ tweeter	Nautilus™ tweeter
	Kevlar® brand fibre cone bass/midrange	Kevlar® brand fibre cone bass/midrange
	Flowport	Flowport

Description

Drive units

Frequency range

Frequency response

Dispersion

Sensitivity

Harmonic distortion

Nominal impedance

Crossover frequencies

Power handling

Max. recommended cable impedance

Dimensions

2 -way vented-box system

1x ø25mm (1 in) alloy dome high-frequency

1x ø165mm (6.5 in) woven Kevlar® cone bass/midrange

1x ø165mm (6.5 in) Aluminium cone bass

-6dB at 29Hz and 30kHz

38Hz – 20kHz ±3dB on reference axis

Within 2dB of reference response

Horizontal:	over 40˚ arc
Vertical:	over 10˚ arc
90dB spl (2.83V, 1m)

2nd and 3rd harmonics (90dB, 1m) <1% 55Hz – 20kHz

<0.5% 65Hz – 20kHz

8Ω (minimum 4.4Ω)

150Hz, 4kHz

50W – 150W into 8Ω on unclipped programme

0.1Ω

Height: 910mm (35.8 in)

Width: 200mm (7.8 in)

Depth: 293mm (11.5 in)

3-way vented-box system

1x ø25mm (1 in) alloy dome high-frequency

1x ø165mm (6.5 in) woven Kevlar® cone bass/midrange

2x ø165mm (6.5 in) Aluminium cone bass

-6dB at 30Hz and 30kHz

38Hz – 20kHz ±3dB on reference axis

Within 2dB of reference response

Horizontal:	over 40˚ arc
Vertical:	over 10˚ arc
90dB spl (2.83V, 1m)

2nd and 3rd harmonics (90dB, 1m)

<1% 70Hz – 20kHz <0.5% 95Hz – 20kHz

8Ω (minimum 3.0Ω)

400Hz, 4kHz

50W – 200W into 8Ω on unclipped programme

0.1Ω

Height: 1050mm (41.3 in)

Width: 200mm (7.8 in)

Depth: 363mm (14.3 in)

Net Weight 18 kg (40 lb) 28 kg (62 lb)