Bowers & Wilkins owner manual NautilusTMHTM1, NautilusTMHTM2

	NautilusTMHTM1		NautilusTMHTM2
Technical Features	NautilusTMtweeter		NautilusTMtweeter
	Kevlar® brand fibre cone FST drive unit		Kevlar® brand fibre cone drive unit
	Matrix cabinet		Matrix cabinet
			Flowport
			Magnetic Shielding
Description	3-way closed-box system		2-way vented-box system
Drive units	1x ø25mm (1 in) metal dome high-frequency		1x ø25mm (1 in) metal dome high-frequency
	1x ø150mm (6 in) woven Kevlar® cone FST midrange		1x ø165mm (6.5 in) woven Kevlar® cone
	2x ø165mm (6.5 in) paper/Kevlar® cone bass		bass/midrange
Frequency range	-6dB at 35Hz and 30kHz		-6dB at 42Hz and 30kHz
	-3dB at 42Hz and 22kHz		-3dB at 49Hz and 22kHz
Frequency response	49Hz - 20kHz ±2dB on reference axis		56Hz - 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)		88dB spl (2.83V, 1m)
Harmonic distortion	2nd and 3rd harmonics (90dB, 1m)		2nd and 3rd harmonics (90dB, 1m)
	<1.0% 70Hz - 20kHz		<1.0% 90Hz - 20kHz
	<0.5% 150Hz - 18kHz		<0.5% 200Hz - 18kHz
Nominal impedance	8Ω (minimum 3.0Ω)		8Ω (minimum 4.6Ω)
Crossover frequencies	350Hz and 4kHz		3kHz
Power handling	50W - 250W into 8Ω on unclipped programme		50W - 120W into 8Ω on unclipped programme
Max. recommended
cable impedance	0.1Ω		0.1Ω
Dimensions	Height:	318mm (12.5 in)	Height:	277mm (10.9 in)
	Width:	783mm (30.8 in)	Width:	486mm (19.1 in)
	Depth:	316mm (12.4 in)	Depth:	287mm (11.3 in)
Net Weight	21.0kg (46 lb)		9.5kg (21 lb)

28