Bowers & Wilkins owner manual NautilusTM803, NautilusTM804

	NautilusTM803		NautilusTM804
Technical Features	NautilusTMtweeter		NautilusTMtweeter
	Kevlar® brand fibre cone FST drive unit		Kevlar® brand fibre cone FST drive unit
	Matrix cabinet		Matrix cabinet
	Flowport		Flowport
Description	3-way vented-box system		3-way vented-box system
Drive units	1x ø25mm (1 in) metal dome high-frequency		1x ø25mm (1 in) metal dome high-frequency
	1x ø150mm (6in) woven Kevlar® cone FST midrange		1x ø150mm (6in) woven Kevlar® cone FST midrange
	2x ø180mm (7 in) paper/Kevlar® cone bass		2x ø165mm (6.5 in) paper/Kevlar® cone bass
Frequency range	-6dB at 28Hz and 30kHz		-6dB at 30Hz and 30kHz
	-3dB at 35Hz and 22kHz		-3dB at 38Hz and 22kHz
Frequency response	42Hz - 20kHz ±2dB on reference axis		45Hz - 20kHz ±2dB on reference axis
Dispersion	Within 2dB of response on reference axis		Within 2dB of response on reference axis
	Horizontal:	over 60º arc	Horizontal:	over 60º arc
	Vertical:	over 10º arc	Vertical:	over 10º arc
Sensitivity	90dB spl (2.83V, 1m)		89dB spl (2.83V, 1m)
Harmonic distortion	2nd and 3rd harmonics (90dB, 1m)		2nd and 3rd harmonics (90dB, 1m)
	<1.0% 50Hz - 20kHz		<1.0% 70Hz - 20kHz
	<0.5% 100Hz - 18kHz		<0.5% 150Hz - 18kHz
Nominal impedance	8Ω (minimum 3.0Ω)		8Ω (minimum 3.0Ω)
Crossover frequencies	350Hz and 4kHz		350Hz and 4kHz
Power handling	50W – 250W into 8Ω on unclipped programme		50W – 200W into 8Ω on unclipped programme
Max. recommended
cable impedance	0.1Ω		0.1Ω
Dimensions	Height:	1064mm (41.9 in)	Height:	1015mm (40.0 in)
	Width:	285mm (11.2 in)	Width:	238mm (9.4 in)
	Depth:	431mm (17.0 in)	Depth:	344mm (13.5 in)
Net Weight	30.0kg (66 lb)		24.0kg (53 lb)

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