Bowers & Wilkins CCM817 owner manual

	CCM817
Technical features	Angled baffle
	Coaxial drive units
	Woven Kevlar® bass/midrange driver
	Nautilus™ tube-loaded tweeter
Description	2-way in-ceiling/wall speaker system
Drive units	1x ø25mm (1 in) tube-loaded aluminium dome high-frequency
	1x ø180mm (7 in) woven Kevlar® cone bass/midrange
Frequency range	-6dB at 30Hz and 50kHz
Frequency response	35Hz-22kHz ±3dB on reference axis
Sensitivity	89dB spl (2.83V, 1m)
Nominal impedance	8Ω (minimum 3.5Ω )
Crossover frequency	3.5kHz
Recommended amplifier power	150W continuous into 8Ω on unclipped programme
Frame size	Ellipse: 271mm (10.7 in) x 242mm (9.5 in)
Cut-out size	Diameter: 234mm (9.2 in)
Min depth req	102.5mm (4 in) behind ceiling surface
	63mm (2.5 in) in front of ceiling surface
Net weight	2.6kg (5.7 lb)

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