Bowers & Wilkins CT800 installation manual CT8 DS

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Speciﬁcations

Model

CT8 DS

Model

CT8 XO

Description	3-way monopole/2-way dipole selectable closed-box surround system			Description	CT800 system active bass management controller
Drive Units	1x ø32mm (11⁄4 in) alloy dome high-frequency			Functions	Bass/midrange crossover
	6x ø100mm (4 in) midrange/high-frequency				Subwoofer/bass crossover
	1x ø150mm (6 in) woven Kevlar® cone FSTTM midrange				Low-frequency roll-off alignment
	2x ø250mm (10 in) carbon ﬁbre/rigid foam sandwich cone bass				High frequency roll-off alignment
					Wall proximity response adjustment
Frequency Range	-6dB at 26Hz and 40kHz (monopole mode)				Subwoofer in/out
	-6dB at 26Hz and 22kHz (dipole mode)				Level adjustment for number of subwoofers
					12V trigger switching for surround mode
Frequency Response	31Hz – 22kHz		±3dB on reference axis (monopole mode)		3 adjustable parametric equalisers
	31Hz – 18kHz		±3dB power averaged over front hemisphere (dipole mode)
				Inputs	Line In (RCA Phono)
Dispersion	Monopole mode: within 2dB of reference response				12V trigger (3.5mm jack)
	Horizontal: over 40o arc
	Vertical:	over 10o arc		Outputs	MF/HF Line Out (XLR & RCA Phono)
	Dipole mode: horizontal ﬁgure of eight				LF Line Out (XLR & RCA Phono)
	Effective null zone ±30o (250Hz – 18kHz)				Subwoofer Line Out (2 x XLR & RCA Phono)
					12V trigger (3.5mm jack)
Sensitivity	93dB spl (2.83V, 1m)
				Rated Power Consumption	10W
Harmonic Distortion	2nd and 3rd harmonics (90dB, 1m)
	<1% 45Hz – 20kHz			Dimensions	Height:	44.5mm (1.75 in) 1U
					Width:	483 mm (19 in)
Nominal Impedance	8Ω (minimum 4Ω)				Depth:	356 mm (14 in)
Crossover Frequency	300Hz and 4kHz (monopole mode)			Net Weight	8kg (17.6 lb)
		300Hz (dipole mode)
				Finish	Facing plate: Anodised Aluminium
Recommended Ampliﬁer Power	50W – 1000W into 8Ω on unclipped programme				Chassis:	Black
Max Recmmended Cable Impedance	0.1Ω
Dimensions	Height:	1100mm (43.3 in) (without spike feet)
	Width:	325mm (12.8 in)
	Depth:	250mm (9.85 in)
Weight	75kg (165 lb)
	75kg (165 lb)
Finish	Cabinet:	Black
	Cabinet:	Black

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Contents CT800 Series Table of Contents Warranty Limited WarrantyHow to claim repairs under warranty Important Safety Instructions Explanation of Graphical SymbolsPage Introduction Environmental InformationConcept Page Check the contents against Figure Planning the installation Planning the installationSafety Warning Speaker Position~60 o Mounting the speakers To take up any rocking. ﬁgure Installation into drywall ﬁgure Installation to wall surface ﬁgure Continue for all cases Connecting the System SpeakersCT8 DS only CT8 XO Rear Panel CT8 XO crossover/equaliser Description of Controls Description of controlsPage Conﬁgure the unit to the gain of each power ampliﬁer Equipment RequiredConﬁgure the CT800 XO to the speaker Setting the Subwoofer gain Conﬁgure the dipole lobe for a CT8 DSTheory Conﬁgure the equalisersProcedure Page Our case the original measurement at position #10 is Rn Page Running In and Ancillary Equipment Ancillary equipmentAftercare Speciﬁcations CT8 LRCT8 DS