Bowers & Wilkins CCM746S owner manual

	CCM746S
Description	2-way dual channel in-ceiling speaker system
Drive units	2x 25mm (1in) alminium dome high-frequency
	1x 165mm (6.5 in) woven Kevlar mid/bass
Frequency range	-6dB at 40Hz and 22kHz
Frequency response	50Hz - 20kHz ± 3dB
Sensitivity	86dB spl (2.83V, 1m)
Nominal impedance	8Ω (minimum 3.0Ω )
Crossover frequency	3.2kHz
Recommended amplifier power	20W-130W continuous into 8Ω on unclipped programme
Frame size	Diameter: 232mm (9.1in)
Cut-out size	Diameter: 201mm (8.0in)
Min depth req	101mm (3.9in) from ceiling surface
Net weight	1.6kg (3.5lb)
PMK	PMKc65

Ø232mm

(9.1in)

Ø201mm (8.0in)

101mm

4mm

(3.9in)

(0.15in)

28