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Na u ti l u s 8 0 3
F l o o r -standing loudspeaker system
Product Summary
Technical highlights
Tweeter on top: B&W's Tweeter on top technology ensures that the sound
remains focused and time-sensitive and that the stereo-image is presented with
unparalleled three dimensional accuracy.
Kevlar®: B&W developed and patented the method of using Kevlar® for
loudspeaker cones to reduce unwanted standing waves. DuPont originally
created Kevlar® for use in bulletproof vests.
Flowport™: Golf ball aerodynamics theory points the way towards lower
distortion reflex ports. Dimples improve the way the air flows over the surface of
any object. In the case of reflex ports, they offer a significant improvement over
simply flaring the port ends in reducing air flow turbulence at each end of the
port; so you get less chuffing noise and less compression at high sound levels.
B&W Loudspeakers Ltd reserves the right to amend details of the specifications without notice in line with technical developments. E & OE. All trademarks acknowledged.
www.bwspeakers.com
™
Matrix™: The basic construction of nearly all loudspeakers is exactly the same -
panels of wood-based materials, bonded to form a rectangular box. B&W
studied and evaluated how each aspect of cabinet behaviour and the efficiency
of various materials and construction methods affects sound.
D e s c r i p t i o n
Drive units
F requency re s p o n s e
S e n s i t i v i t y
3-way vented-box system
1 x 25mm metal dome high-frequency
1 x 150mm woven Kevlar® cone FST
midrange
2 x 180mm paper/Kevlar® cone bass
42Hz – 20kHz ± 2dB on reference
axis
90dB spl (2.83V, 1m)
Nominal impedance
Power handling
D i m e n s i o n s
F i n i s h e s
8Ω (min 3.0Ω)
50W - 250W into 8 ohm on unclipped
programme
Height: 1064mm Width: 285mm
Depth: 431mm
Cabinet: Real wood veneers, Black Ash,
Cherrywood, Red Stained Cherrywood
Grilles: Black cloth
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Floor-standing design with a two in one cabinet construction, which reduces sound diffraction
between the bass and midrange. Nautilus™ treble unit, Matrix™ cabinet and Flowport™
bass tube.
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The Nautilus 803 cabinet is made up of layers of ply. The graceful curves of the cabinet are
skillfully moulded layer by layer which helps to eliminate the unwanted resonances caused by
flexing of flat and square cabinet walls.